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On this day

December 9

Mother of All Demos: Engelbart Shows the Mouse, Hypertext, Video Call (1968). Smallpox Eradicated: WHO Certifies the Disease Is Gone (1979). Notable births include Fritz Haber (1868), Tré Cool (1972), John Dobson (1787).

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Mother of All Demos: Engelbart Shows the Mouse, Hypertext, Video Call
1968Event

Mother of All Demos: Engelbart Shows the Mouse, Hypertext, Video Call

Douglas Engelbart unveiled the computer mouse, hypertext, and a bit-mapped graphical user interface during his legendary "Mother of All Demos" in 1968. This single presentation forced the tech industry to abandon command-line interfaces for the visual, interactive systems that define modern computing today.

Smallpox Eradicated: WHO Certifies the Disease Is Gone
1979

Smallpox Eradicated: WHO Certifies the Disease Is Gone

Edward Jenner proved cowpox could shield humans from smallpox in 1796, launching a century-long global campaign that eventually drove the disease to extinction. This relentless push culminated in December 1979 when scientists certified the virus's total eradication, ending an annual toll of two million deaths and sparing future generations from a scourge that once ravaged every continent.

First Intifada Begins: Palestinians Rise Up in Gaza and the West Bank
1987

First Intifada Begins: Palestinians Rise Up in Gaza and the West Bank

Palestinian residents launched a massive uprising against Israeli occupation across the Gaza Strip and West Bank, transforming local protests into a sustained campaign of civil disobedience and stone-throwing. This grassroots movement forced the international community to confront the daily realities of the occupation and shifted the conflict from a localized dispute to a global human rights crisis that reshaped diplomatic negotiations for decades.

Harry Gold Sentenced for Atomic Espionage: 30 Years
1950

Harry Gold Sentenced for Atomic Espionage: 30 Years

Harry Gold receives a thirty-year sentence for funneling Manhattan Project secrets to the Soviets, a move that directly enables the prosecution of Julius and Ethel Rosenberg through his subsequent testimony. This chain of events transforms a single spy's confession into the legal foundation for one of the most controversial trials of the Cold War era.

Battle of Ayacucho: South America's Last Colonial Battle
1824

Battle of Ayacucho: South America's Last Colonial Battle

General Antonio Jose de Sucre's patriot forces crushed the last major Royalist army at Ayacucho, capturing the Spanish viceroy and effectively ending three centuries of colonial rule in South America. The victory sealed Peruvian independence and completed the liberation campaigns that Simon Bolivar and Jose de San Martin had waged for over a decade.

Quote of the Day

“The mind is its own place and in itself, can make a Heaven of Hell, a Hell of Heaven.”

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Born on December 9

Portrait of Tré Cool
Tré Cool 1972

His mom ran a commune in the Mendocino mountains.

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Frank Edwin Wright III learned drums at age twelve from a neighbor — Lawrence Livermore, who'd form The Lookouts and bring the kid on board. He got his stage name there. At seventeen, he replaced Green Day's original drummer and turned them into something else entirely. His speed and precision on "Dookie" sold 10 million copies. But he's not just the guy who hits things fast: he writes, he sings backup, he acted in "Rock of Ages." Three Grammys later, people still don't realize Green Day's sound — that specific chaos — doesn't exist without the hippie kid from the commune who could play faster than anyone thought punk needed.

Portrait of Donny Osmond
Donny Osmond 1957

The fifth of nine children in a family that would become a pop phenomenon, but at seven years old, he was just the kid…

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brother tagging along to his older siblings' barbershop quartet gigs. The producers noticed him anyway. By nine, he was performing on The Andy Williams Show. By fourteen, he had a solo #1 hit with "Go Away Little Girl" while still touring with The Osmonds, making him one of the youngest artists ever to land both a group and solo chart-topper. He'd eventually rack up 33 gold records and outlast disco, grunge, and boy bands—still performing in Vegas seven decades later. Not bad for the tagalong.

Portrait of Jean-Claude Juncker
Jean-Claude Juncker 1954

Jean-Claude Juncker was born in December 1954 in Redange-sur-Attert, Luxembourg.

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He became Prime Minister of Luxembourg at thirty-eight and held the office for eighteen years — one of the longest tenures of any democratic leader in the late twentieth century. He was also Europe's longest-serving finance minister. He moved to Brussels in 2014 as President of the European Commission, where he presided over the Greek debt crisis, Brexit negotiations, and a migration crisis that stressed the Union to its foundations. He was known for saying honest things about European dysfunction in public, which was unusual for someone in his position.

Portrait of Nando Parrado
Nando Parrado 1949

His father owned a hardware store in Montevideo.

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He played rugby on weekends. At 22, Nando Parrado was nobody special — until the plane carrying his team crashed into the Andes at 12,000 feet. His mother died on impact. His sister lasted eight days. He stayed in a coma for three. When he woke, seventeen others were still alive, and the radio said searchers had given up. So he walked. For ten days through snow without equipment, he and a teammate descended impossible peaks until they found a Chilean horseman in a valley. Sixteen came home. He'd walked them out of their own graves.

Portrait of Bob Hawke
Bob Hawke 1929

The baby born in a South Australian manse would grow up to hold a Guinness World Record — for drinking a yard of ale in…

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11 seconds at Oxford. Bob Hawke entered university planning to become a minister like his father. Instead he became a Rhodes Scholar, then Australia's most powerful union negotiator, drinking and arguing his way through every pub and boardroom in the country. He'd lose his first run for Parliament at 34. Fourteen years later he won a seat, became Labor leader four weeks after that, and Prime Minister three years later in 1983. Four consecutive election wins followed. The drinking record stayed unbroken for decades.

Portrait of Lee J. Cobb
Lee J. Cobb 1911

Born Jacob Leo Cobb to a poor Jewish family in Manhattan's Lower East Side, he dreamed of becoming a violinist until a…

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car accident at seventeen destroyed that future. He turned to acting instead. The same intensity that might have driven a bow across strings went into performances so raw they terrified audiences — like his Willy Loman on Broadway, where he'd lose pounds each week playing a man dissolving in front of his family. Then came the betrayal nobody saw coming: after resisting for years, he named names to HUAC in 1953, sacrificing friendships to save his career.

Portrait of Joseph Pilates
Joseph Pilates 1883

Sickly kid.

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Rickets, asthma, rheumatic fever — the whole catalog of childhood misery in 1880s Germany. Joseph Pilates decided at nine he'd fix himself through sheer mechanical willpower. He studied anatomy charts like battle plans, practiced yoga and gymnastics until his body rebuilt itself muscle by muscle. By fourteen he was modeling for anatomy posters. During WWI internment in England, he rigged hospital beds with springs and straps so bedridden patients could exercise horizontally — the first Reformer machines. His method didn't explode until New York dancers discovered in the 1960s that his torture devices made their bodies simultaneously stronger and longer. He called it Contrology. The world softened it to Pilates.

Portrait of Fritz Haber
Fritz Haber 1868

His mother died giving birth to him.

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Three days later, his father never forgave him. Fritz Haber grew up blamed for existing, then spent his life proving his worth through chemistry — inventing the process that feeds three billion people today by pulling nitrogen from air. He also weaponized chlorine gas in WWI, watching soldiers choke in trenches he designed. His Jewish wife shot herself in their garden after he refused to stop. Germany expelled him anyway in 1933. He died alone in a Basel hotel, the man who saved more lives and ended more lives than almost anyone in history.

Died on December 9

Portrait of Patrick Moore
Patrick Moore 2012

Taught himself astronomy from books while recovering from a heart condition as a teenager.

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Then he hosted *The Sky at Night* for 55 years—same show, same presenter, longest run in television history. 700 episodes without a single missed month. Mapped the moon's far side for NASA before the space race even started. Played the xylophone. Wrote 70 books. Spoke so fast BBC engineers had to check if their equipment was broken. He turned British living rooms into observatories, one monthly episode at a time.

Portrait of Norman Joseph Woodland
Norman Joseph Woodland 2012

Norman Woodland drew lines in the sand.

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Literally. Sitting on a Miami beach in 1949, the 27-year-old dragged his fingers through the sand, extending Morse code dots and dashes downward into stripes. That beach doodle became the bull's-eye pattern in his first barcode patent — granted in 1952, but useless without laser scanners that wouldn't exist for another decade. He sold the patent for $15,000. By the time the first supermarket scanner beeped in 1974, Woodland was working at IBM, watching his sand-lines reshape global commerce. He died at 91, having coded the world's products into a language machines could read.

Portrait of Razzle
Razzle 1984

Nicholas Dingley played drums under the name Razzle for just four years with Hanoi Rocks, but those years made him one…

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of glam metal's most influential timekeepers. The Finnish band never broke big in America, but their New York Dolls-meets-punk sound became the blueprint for Guns N' Roses and Mötley Crüe. He died at 24 in a car crash that also killed Hanoi Rocks passenger Nicholas "Razzle" Dingley — wait, that's wrong. He died riding passenger while Mötley Crüe's Vince Neil drove drunk. The band never recovered. Neil served 15 days in jail and paid $2.6 million. Slash called Razzle "the best drummer I ever saw."

Portrait of Ralph Bunche
Ralph Bunche 1971

Ralph Bunche negotiated the 1949 Arab-Israeli armistice by refusing to leave Rhodes until both sides signed — 81 days,…

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no breaks, sleeping four hours a night. He became the first Black American to win the Nobel Peace Prize. But the State Department wouldn't promote him to assistant secretary because Washington hotels still wouldn't let him book a room. He died at 67, having mediated conflicts on four continents while fighting segregation at home. The U.N. flew its flag at half-staff. His own country had only desegregated its schools sixteen years earlier.

Holidays & observances

A priest who believed girls deserved the same education as boys — radical in 1597 France.

A priest who believed girls deserved the same education as boys — radical in 1597 France. Peter Fourier opened free schools where peasant daughters learned to read, write, and do math, not just sew and pray. The clergy called him dangerous. Nobles said he'd ruin the social order. He kept opening schools anyway. By his death in 1640, the Congregation of Notre Dame ran schools across France and beyond. Most nuns came from the families he'd educated: girls who grew up, remembered what reading had given them, and came back to teach others.

The Sri Lankan Navy didn't exist until 1950 — five men in a borrowed harbor launch.

The Sri Lankan Navy didn't exist until 1950 — five men in a borrowed harbor launch. But December 9th marks something else: 1971, when Lieutenant Commander Ravi Wijegunaratne and his crew aboard SLNS Vijaya intercepted a vessel smuggling weapons to JVP insurgents off Jaffna. First major naval operation since independence. The haul: 160 rifles, mortars, ammunition enough to arm a battalion. The fishermen on board confessed under questioning. Within weeks, the Navy expanded from 1,200 personnel to 3,000. Today it's 55,000 strong. One midnight intercept convinced Colombo that blue water mattered.

Britain ruled Tanganyika for 43 years.

Britain ruled Tanganyika for 43 years. Julius Nyerere negotiated independence without firing a shot — no war, no armed uprising, just relentless diplomacy and a united nationalist movement that made colonial rule politically impossible. Midnight, December 9, 1961: the Union Jack came down in Dar es Salaam while 100,000 people watched. Prince Philip handed over power. Three years later, Tanganyika merged with Zanzibar to become Tanzania. Nyerere served as president for 24 years, one of Africa's longest-serving leaders. The peaceful transition made Tanganyika the model every other British African colony tried to copy.

The lutefisk clock starts today.

The lutefisk clock starts today. Anna's Day kicks off Sweden and Finland's most divisive Christmas tradition: soaking dried cod in lye for weeks until it turns into translucent, gelatinous fish jelly. Named for Saint Anne, mother of Mary, the feast became the annual reminder that December 24th lutefisk doesn't happen by accident. It takes planning. The fish must be rehydrated, lye-soaked, rinsed obsessively to remove the caustic chemical, then jellied to perfection. Get the timing wrong and Christmas dinner is either rock-hard or poisonous. Families who love lutefisk swear by the ritual. Everyone else just nods politely and reaches for the meatballs.

The date marks when José de San Martín created Peru's first national army in 1821, three weeks after independence.

The date marks when José de San Martín created Peru's first national army in 1821, three weeks after independence. He didn't recruit from Lima's elite — he enlisted indigenous peasants, freed slaves, and anyone willing to fight. These weren't professional soldiers. Most had never held a musket. But they held the new republic together through 15 attempted coups in the next decade. San Martín dissolved his own power a year later and sailed into exile. The army he left behind became more powerful than any president. Today Peru's military still traces its officer corps back to those original battalions — the ones that started with nothing but a flag and a promise of pay that rarely came.

Russian peasants traditionally settled their debts and fulfilled their tax obligations to landlords on Yuri’s Day.

Russian peasants traditionally settled their debts and fulfilled their tax obligations to landlords on Yuri’s Day. This autumn deadline served as the final window for serfs to exercise their legal right to relocate to a new estate, a freedom that vanished entirely when the state later abolished the practice to bind laborers to the land.

Vere Cornwall Bird spent 14 years in the Salvation Army before becoming a trade unionist at 40.

Vere Cornwall Bird spent 14 years in the Salvation Army before becoming a trade unionist at 40. He'd watched sugar workers earn pennies while plantation owners built mansions. In 1946 he founded the country's first labor union and won the right to vote for every worker — not just property owners. Led Antigua to independence in 1981. Became the nation's first Prime Minister at 71. The holiday bearing his name honored him alone until 2008, when Antigua added all national heroes. Bird's response to that change? He'd died five years earlier. His son and grandson both became Prime Ministers. The union he started still negotiates every major contract.

The Catholic Church honors Saint Juan Diego Cuauhtlatoatzin today, the indigenous visionary who reported the appariti…

The Catholic Church honors Saint Juan Diego Cuauhtlatoatzin today, the indigenous visionary who reported the apparitions of the Virgin of Guadalupe in 1531. His experiences transformed the spiritual landscape of Mexico, catalyzing the rapid conversion of millions to Christianity and establishing the Basilica of Our Lady of Guadalupe as the most visited pilgrimage site in the Americas.

The UN created this day in 2003, same year the Convention against Corruption opened for signatures.

The UN created this day in 2003, same year the Convention against Corruption opened for signatures. Corruption costs the world roughly $2.6 trillion annually — about 5% of global GDP. That's stolen healthcare, phantom schools, bridges that collapse because someone pocketed the rebar money. The convention now has 189 state parties, making it one of the most widely adopted UN instruments. But here's the catch: signing is easy. Enforcement requires political will that often doesn't exist where it's needed most. Some of the worst offenders are signatories. The gap between commitment and action remains the convention's biggest challenge.

Tanganyika gained its independence from British colonial rule in 1961, ending decades of mandate and trusteeship admi…

Tanganyika gained its independence from British colonial rule in 1961, ending decades of mandate and trusteeship administration. This transition empowered Julius Nyerere to lead the nation toward the eventual formation of Tanzania, establishing a rare model of peaceful decolonization that prioritized national unity and the development of a distinct African socialist identity.

The Orthodox Church celebrates when life began for the woman who would become Christ's mother — not her birth, but th…

The Orthodox Church celebrates when life began for the woman who would become Christ's mother — not her birth, but the moment Anne conceived her after years of childlessness. Western Christianity marks Mary's birth in September. But Eastern tradition adds this second feast, honoring the instant everything changed for an aging couple who'd given up hope. It's called the Conception of the Theotokos, "God-bearer" in Greek. Anne was past childbearing age. The story mirrors Sarah and Abraham, Hannah and Elkanah — barren women whose impossible pregnancies launched salvation history. Nine months later, on September 8, Mary would be born. This feast asks: when does a story really start?

Anna's Day kicks off the week-long soak for lutefisk, ensuring the traditional Christmas Eve delicacy is ready in time.

Anna's Day kicks off the week-long soak for lutefisk, ensuring the traditional Christmas Eve delicacy is ready in time. Swedes and Finns also celebrate this name day, honoring everyone named Anna with a shared cultural tradition that bridges culinary preparation and personal recognition.

The Peruvian Army's founding in 1821 didn't include women for 168 years.

The Peruvian Army's founding in 1821 didn't include women for 168 years. In 1993, women finally entered combat roles — a shift sparked by the Shining Path insurgency, when the military realized excluding half the population made no strategic sense. Today Peru's armed forces celebrate December 9th, honoring not just independence battles but the slow march toward including everyone who wanted to defend the country. The date marks when Simón Bolívar's army sealed Peru's liberation at Ayacucho in 1824, finishing what San Martín started three years earlier.

Russia marks the day Red Army soldiers first broke the 900-day Nazi siege of Leningrad in 1944.

Russia marks the day Red Army soldiers first broke the 900-day Nazi siege of Leningrad in 1944. Over 1 million civilians starved to death inside the city—some ate wallpaper paste, others boiled leather belts. The breakthrough came at Schlisselburg, where Soviet forces punched through German lines and opened a narrow land corridor. Bread rations immediately tripled. Today the holiday honors all who defended Soviet soil, but it started with that single frozen corridor and the first truck convoys that rolled through carrying flour. The siege wouldn't fully lift for another year, but that gap meant survival.

Joseph Ferrer Esteve († 1936), bienheureux prêtre espagnol martyr de la guerre civile espagnole.

Joseph Ferrer Esteve († 1936), bienheureux prêtre espagnol martyr de la guerre civile espagnole.

François Fasani († 1742), franciscain italien.

François Fasani († 1742), franciscain italien.

Clara Isabel Fornari († 1744), bienheureuse religieuse et mystique italienne.

Clara Isabel Fornari († 1744), bienheureuse religieuse et mystique italienne.

Kirchliche Gedenktage Richard Baxter, englischer Priester und Schriftsteller (evangelisch, der anglikanische Gedenkta…

Kirchliche Gedenktage Richard Baxter, englischer Priester und Schriftsteller (evangelisch, der anglikanische Gedenktag ist am 14. Juni)

Valérie (IIIe siècle), vierge et martyre.

Valérie (IIIe siècle), vierge et martyre.

Syr de Pavie (IVe siècle), évêque.

Syr de Pavie (IVe siècle), évêque.

Namenstage Abel, Valerie

Namenstage Abel, Valerie

Procule de Vérone (en) († 320), évêque de Vérone.

Procule de Vérone (en) († 320), évêque de Vérone.

Léocadie († v.

Léocadie († v. 303), vierge et martyre.

Gorgonie de Nazianze († 371), laïque, mère de famille et sœur de Grégoire de Nazianze.

Gorgonie de Nazianze († 371), laïque, mère de famille et sœur de Grégoire de Nazianze.

Enguerrand ler Sage ou Angeiran († 1045), abbé à l'abbaye de Saint-Riquier.

Enguerrand ler Sage ou Angeiran († 1045), abbé à l'abbaye de Saint-Riquier.

Cyprien de Genouillac († 526), abbé en Dordogne.

Cyprien de Genouillac († 526), abbé en Dordogne.

Balde (fin du VIIe siècle) — ou « Balda » —, troisième abbesse de l'abbaye de Jouarre, dans le diocèse de Meaux, en Brie.

Balde (fin du VIIe siècle) — ou « Balda » —, troisième abbesse de l'abbaye de Jouarre, dans le diocèse de Meaux, en Brie.

Nations unies : journée internationale de commémoration des victimes du crime de génocide et d’affirmation de leur di…

Nations unies : journée internationale de commémoration des victimes du crime de génocide et d’affirmation de leur dignité ;

Día Internacional para la Conmemoración y Dignificación de las Víctimas del Crimen de Genocidio y para la Prevención …

Día Internacional para la Conmemoración y Dignificación de las Víctimas del Crimen de Genocidio y para la Prevención de ese Crimen.

Día de la Tarjeta Navideña o de la Tarjeta de Navidad.

Día de la Tarjeta Navideña o de la Tarjeta de Navidad. Se rinde homenaje a las primeras creadas este día de 1843 por sir Henry Cole en Londres, las que se comercializaron de forma impresa a partir de 1874 en Estados Unidos.

Argentina Argentina: Misiones: Aniversario de Panambí.Fundación: 9 de diciembre de 1938 (87 años).

Argentina Argentina: Misiones: Aniversario de Panambí.Fundación: 9 de diciembre de 1938 (87 años).

Beatos Ricardo de los Ríos Fabregat, Julián Rodríguez Sánchez y José Giménez López, presbíteros y mártires (1936).

Beatos Ricardo de los Ríos Fabregat, Julián Rodríguez Sánchez y José Giménez López, presbíteros y mártires (1936).

Etienne Néolampos († 912), ascète.

Etienne Néolampos († 912), ascète.

Perú Perú: Día del Ejército.

Perú Perú: Día del Ejército.

Rusia Rusia: Día de los Héroes de la Patria.(en ruso: День Героев Отечества).(en inglés: Day of Heroes of the Fatherl…

Rusia Rusia: Día de los Héroes de la Patria.(en ruso: День Героев Отечества).(en inglés: Day of Heroes of the Fatherland).

Sri LankaSri Lanka Sri Lanka: Día de la Armada.(en inglés: Navy Day).

Sri LankaSri Lanka Sri Lanka: Día de la Armada.(en inglés: Navy Day).

Dia da Criança Especial

Dia da Criança Especial

Dia do Fonoaudiólogo

Dia do Fonoaudiólogo

Dia do Alcoólico Recuperado

Dia do Alcoólico Recuperado

Aniversário do município de Dom Pedro, Maranhão

Aniversário do município de Dom Pedro, Maranhão

Aniversário do município de São Domingos do Capim, Pará

Aniversário do município de São Domingos do Capim, Pará

Aniversário dos municípios de Isaías Coelho, Demerval Lobão e Arraial, Piauí

Aniversário dos municípios de Isaías Coelho, Demerval Lobão e Arraial, Piauí

Aniversário dos municípios de Guarapuava e Santa Fé, Paraná

Aniversário dos municípios de Guarapuava e Santa Fé, Paraná

Aniversário do município de Indaiatuba, São Paulo

Aniversário do município de Indaiatuba, São Paulo

Aniversário do município de Novo Brasil, Goiás

Aniversário do município de Novo Brasil, Goiás

San Siro de Pavía, obispo (s.

San Siro de Pavía, obispo (s. IV).

Santa Gorgonia de Nazianzo (c.

Santa Gorgonia de Nazianzo (c. 370).

San Cipriano de Geneouillac, abad (s.

San Cipriano de Geneouillac, abad (s. VI).

Santa Wulfilda.

Santa Wulfilda.

Beato Bernardo María de Jesús Silvestrelli, presbítero (1911).

Beato Bernardo María de Jesús Silvestrelli, presbítero (1911).

Beato José Ferrer Esteve, presbítero y mártir (1936).

Beato José Ferrer Esteve, presbítero y mártir (1936).

Anna's Day, marks the day to start the preparation process of the lutefisk to be consumed on Christmas Eve, as well a…

Anna's Day, marks the day to start the preparation process of the lutefisk to be consumed on Christmas Eve, as well as a Swedish name day, celebrating all people named Anna. (Sweden and Finland)

Ethelgive de Shaftesbury († 896), abbesse.

Ethelgive de Shaftesbury († 896), abbesse.

Venerable Fulton Sheen.

Venerable Fulton Sheen.

Nectaire sinon Nicaise du dicton suivant un à plusieurs jour(s) plus avant.

Nectaire sinon Nicaise du dicton suivant un à plusieurs jour(s) plus avant.

Kerne ?

Kerne ?

aux Gorgonie,

aux Gorgonie,

Ann, Anne, Anna, Hanna(h) et toutes leurs autres variantes également fêtées les 26 juillet ou les 3 février etc. ;

Ann, Anne, Anna, Hanna(h) et toutes leurs autres variantes également fêtées les 26 juillet ou les 3 février etc. ;

Libère Wagner († 1631), bienheureux prêtre allemand et martyr.

Libère Wagner († 1631), bienheureux prêtre allemand et martyr.