Today In History logo TIH

Today In History

June 23 in History

Your birthday shares the stage with stories that shaped the world. Born on this day: Caesarion, Glenn Danzig, and Martti Ahtisaari.

Climate Change Warning: Hansen Testifies Before Senate
1988Event

Climate Change Warning: Hansen Testifies Before Senate

NASA climatologist James Hansen testified before the Senate Energy and Natural Resources Committee on June 23, 1988, declaring with "99 percent confidence" that global warming was caused by human activities. His testimony, delivered during a record heat wave in Washington, received extensive media coverage and is credited with putting climate change on the political agenda. That same year, the Intergovernmental Panel on Climate Change (IPCC) was established by the United Nations to assess the scientific consensus on climate change. The IPCC's subsequent reports progressively strengthened the certainty that human greenhouse gas emissions were causing unprecedented warming. By its fifth assessment report in 2014, the IPCC declared it "extremely likely" (95-100% probability) that human influence was the dominant cause of warming observed since the mid-20th century.

Famous Birthdays

Caesarion

Caesarion

d. 30 BC

Glenn Danzig

Glenn Danzig

b. 1955

Martti Ahtisaari

Martti Ahtisaari

1937–2023

Patrick Vieira

Patrick Vieira

b. 1976

Paul Arthurs

Paul Arthurs

b. 1965

Randy Jackson

Randy Jackson

b. 1961

Milt Hinton

Milt Hinton

d. 2000

Steve Shelley

Steve Shelley

b. 1963

Stuart Sutcliffe

Stuart Sutcliffe

d. 1962

Historical Events

The Senate overrode President Harry Truman's veto of the Labor Management Relations Act (Taft-Hartley Act) on June 23, 1947, by a vote of 68-25. The House had overridden the veto three days earlier, 331-83. The act, sponsored by Republican Senator Robert Taft and Representative Fred Hartley, restricted union activities in several ways: it banned closed shops (requiring union membership as a condition of employment), prohibited jurisdictional strikes and secondary boycotts, allowed states to pass right-to-work laws, and required union officers to sign affidavits swearing they were not Communists. Truman called it a "slave labor bill." The act fundamentally shifted the balance of power between unions and management that had been established by the Wagner Act of 1935 and remains one of the most consequential labor laws in American history.
1947

The Senate overrode President Harry Truman's veto of the Labor Management Relations Act (Taft-Hartley Act) on June 23, 1947, by a vote of 68-25. The House had overridden the veto three days earlier, 331-83. The act, sponsored by Republican Senator Robert Taft and Representative Fred Hartley, restricted union activities in several ways: it banned closed shops (requiring union membership as a condition of employment), prohibited jurisdictional strikes and secondary boycotts, allowed states to pass right-to-work laws, and required union officers to sign affidavits swearing they were not Communists. Truman called it a "slave labor bill." The act fundamentally shifted the balance of power between unions and management that had been established by the Wagner Act of 1935 and remains one of the most consequential labor laws in American history.

NASA climatologist James Hansen testified before the Senate Energy and Natural Resources Committee on June 23, 1988, declaring with "99 percent confidence" that global warming was caused by human activities. His testimony, delivered during a record heat wave in Washington, received extensive media coverage and is credited with putting climate change on the political agenda. That same year, the Intergovernmental Panel on Climate Change (IPCC) was established by the United Nations to assess the scientific consensus on climate change. The IPCC's subsequent reports progressively strengthened the certainty that human greenhouse gas emissions were causing unprecedented warming. By its fifth assessment report in 2014, the IPCC declared it "extremely likely" (95-100% probability) that human influence was the dominant cause of warming observed since the mid-20th century.
1988

NASA climatologist James Hansen testified before the Senate Energy and Natural Resources Committee on June 23, 1988, declaring with "99 percent confidence" that global warming was caused by human activities. His testimony, delivered during a record heat wave in Washington, received extensive media coverage and is credited with putting climate change on the political agenda. That same year, the Intergovernmental Panel on Climate Change (IPCC) was established by the United Nations to assess the scientific consensus on climate change. The IPCC's subsequent reports progressively strengthened the certainty that human greenhouse gas emissions were causing unprecedented warming. By its fifth assessment report in 2014, the IPCC declared it "extremely likely" (95-100% probability) that human influence was the dominant cause of warming observed since the mid-20th century.

A federal jury convicted John Gotti, the boss of the Gambino crime family, on June 23, 1992, of thirteen counts including five murders, racketeering, and obstruction of justice. The conviction was secured largely through the testimony of underboss Salvatore "Sammy the Bull" Gravano, who admitted to 19 murders in exchange for a reduced sentence. Gotti had earned the nickname "Teflon Don" for beating three previous cases, later revealed to be through jury tampering and witness intimidation. He was sentenced to life without parole and imprisoned at the United States Penitentiary in Marion, Illinois, where he died of throat cancer in 2002. Gravano entered the witness protection program but was later arrested for running an ecstasy ring in Arizona and served additional prison time.
1992

A federal jury convicted John Gotti, the boss of the Gambino crime family, on June 23, 1992, of thirteen counts including five murders, racketeering, and obstruction of justice. The conviction was secured largely through the testimony of underboss Salvatore "Sammy the Bull" Gravano, who admitted to 19 murders in exchange for a reduced sentence. Gotti had earned the nickname "Teflon Don" for beating three previous cases, later revealed to be through jury tampering and witness intimidation. He was sentenced to life without parole and imprisoned at the United States Penitentiary in Marion, Illinois, where he died of throat cancer in 2002. Gravano entered the witness protection program but was later arrested for running an ecstasy ring in Arizona and served additional prison time.

Christopher Latham Sholes, along with Carlos Glidden and Samuel Soule, received US Patent No. 79,265 for the "Type-Writer" on June 23, 1868. The QWERTY keyboard layout that Sholes developed was designed to prevent jamming in the mechanical typebar mechanism by separating commonly used letter pairs. Remington and Sons, the firearms manufacturer, began producing the Sholes & Glidden Type-Writer in 1873. Mark Twain reportedly purchased one and may have been the first author to submit a typewritten manuscript to a publisher. The typewriter transformed office work: before its invention, all business correspondence was handwritten. The machine opened clerical work to women, creating an entirely new female-dominated profession. By 1900, there were 100,000 stenographers in America, most of them women.
1868

Christopher Latham Sholes, along with Carlos Glidden and Samuel Soule, received US Patent No. 79,265 for the "Type-Writer" on June 23, 1868. The QWERTY keyboard layout that Sholes developed was designed to prevent jamming in the mechanical typebar mechanism by separating commonly used letter pairs. Remington and Sons, the firearms manufacturer, began producing the Sholes & Glidden Type-Writer in 1873. Mark Twain reportedly purchased one and may have been the first author to submit a typewritten manuscript to a publisher. The typewriter transformed office work: before its invention, all business correspondence was handwritten. The machine opened clerical work to women, creating an entirely new female-dominated profession. By 1900, there were 100,000 stenographers in America, most of them women.

British and French soldiers opened fire on Chinese demonstrators marching past the Shameen concession in Canton, killing at least 52 protesters in what became known as the Shameen Incident. The massacre galvanized anti-imperialist sentiment across China, triggering a 16-month boycott of British goods in Canton and Hong Kong that accelerated the nationalist movement.
1925

British and French soldiers opened fire on Chinese demonstrators marching past the Shameen concession in Canton, killing at least 52 protesters in what became known as the Shameen Incident. The massacre galvanized anti-imperialist sentiment across China, triggering a 16-month boycott of British goods in Canton and Hong Kong that accelerated the nationalist movement.

1266

The Genoese showed up to Trapani with more ships. They lost every single one. The War of Saint Sabas wasn't about saints — it was about trade routes, warehouse rights in Acre, and which Italian merchant republic would control the wealth flowing out of the Crusader states. Venice and Genoa had been bleeding each other for years over it. But 1266 off Sicily ended the argument at sea. And here's the thing: both sides called themselves Christian allies in the Holy Land.

1280

Castile sent 10,000 soldiers into the mountains near Moclín expecting a straightforward campaign. They walked into a trap. Granadan forces used the brutal terrain of the Sierra Nevada foothills to shatter the Castilian advance, killing thousands in what became one of the Reconquista's most humiliating Christian defeats. King Alfonso X never fully recovered his military momentum. But here's the part that reframes everything — Granada would hold on for another two centuries after this, and Moclín itself wouldn't fall until 1486. Castile's certainty of victory was its greatest weakness.

1280

Granada's outnumbered army didn't retreat. They waited. At Moclín in 1280, Emir Muhammad II let the Castilian force chase them into the narrow passes of the Sierra Nevada foothills — then hit them from every side. Most of the pursuing army died there. The defeat was so complete it stalled Castile's southern advance for years. But here's the thing: the "superior force" that walked into that ambush wasn't outfought. It was outsmarted. Granada survived another 212 years because its enemies kept underestimating it.

1532

Two kings who genuinely despised each other agreed to be best friends. Henry VIII and Francis I had competed bitterly for decades — wealth, power, prestige, who had the better beard. But Charles V scared them both more. So in 1532, they signed at Boulogne, pledging mutual defense against the Habsburg emperor. It didn't hold. Within years, the alliance frayed, Francis cut his own deals with Charles, and Henry's diplomatic isolation deepened. The treaty meant to contain Europe's most powerful ruler mostly just revealed how little these two trusted anyone — including each other.

1713

Britain gave the Acadians a choice that wasn't really a choice. Declare loyalty to the Crown or abandon the farms, villages, and cemeteries their families had built since the 1600s. Most refused to sign — not out of rebellion, but because they feared being conscripted to fight against France or their Indigenous neighbors. Britain called it neutrality. Britain called it suspicious. Forty years later, British soldiers forcibly deported roughly 10,000 Acadians anyway. The people who'd tried to stay peaceful became the ones who got punished most for it.

Robert Clive defeated Siraj ud-Daulah, the Nawab of Bengal, at the Battle of Plassey on June 23, 1757, through a combination of military force and bribery. Clive had secretly negotiated with Mir Jafar, the Nawab's commander, to switch sides during the battle. Of Siraj's 50,000 troops, only a fraction actually fought. Clive's force of 3,000 (including 900 British soldiers and 2,100 Indian sepoys) suffered minimal casualties. The victory gave the East India Company control of Bengal, the richest province in India, and its treasury of 5 million pounds. The wealth from Bengal financed Britain's Industrial Revolution and subsequent imperial expansion. Plassey is considered the beginning of British political rule in India, which would last until independence in 1947.
1757

Robert Clive defeated Siraj ud-Daulah, the Nawab of Bengal, at the Battle of Plassey on June 23, 1757, through a combination of military force and bribery. Clive had secretly negotiated with Mir Jafar, the Nawab's commander, to switch sides during the battle. Of Siraj's 50,000 troops, only a fraction actually fought. Clive's force of 3,000 (including 900 British soldiers and 2,100 Indian sepoys) suffered minimal casualties. The victory gave the East India Company control of Bengal, the richest province in India, and its treasury of 5 million pounds. The wealth from Bengal financed Britain's Industrial Revolution and subsequent imperial expansion. Plassey is considered the beginning of British political rule in India, which would last until independence in 1947.

1780

Continental militia and regulars repelled a major British assault on Springfield, New Jersey, burning the town's bridge and fighting house to house to halt the redcoat advance. The failed invasion marked the last significant British offensive in the northern colonies and effectively conceded New Jersey to American control for the remainder of the war.

1865

Stand Watie didn't surrender until June 23, 1865 — more than two months after Lee handed his sword to Grant at Appomattox. The war was over. The newspapers said so. But nobody told Watie, or rather, nobody *could* make him stop. A Cherokee leader commanding Native troops across Indian Territory, he'd outlasted every other Confederate general through sheer refusal. His surrender at Fort Towson wasn't a defeat so much as a formality. The last Confederate general standing wasn't a Southern planter. He was Indigenous.

1887

Canada's first national park wasn't born from a love of wilderness. It was born from a hot spring. In 1883, three Canadian Pacific Railway workers stumbled onto thermal springs near Banff, Alberta, and immediately started arguing over who owned them. The government's solution: own it themselves. They fenced off 26 square kilometers, then kept expanding. Today Banff covers 6,641 square kilometers. But here's the twist — it was never about nature. It was about tourist dollars for a struggling railway.

1894

Pierre de Coubertin couldn't get anyone to take him seriously. The French aristocrat had spent years pitching the revival of the ancient Greek games to skeptical audiences who thought competitive sport was beneath serious men. But on June 23, 1894, twelve nations gathered at the Sorbonne and voted him into history. The first modern Olympics were set for Athens, 1896. And Coubertin didn't even get to design the famous five-ring logo — he added that twenty years later. The man who built the Olympics was still building it long after everyone thought it was finished.

Fun Facts

Zodiac Sign

Cancer

Jun 21 -- Jul 22

Water sign. Loyal, emotional, and nurturing.

Birthstone

Pearl

White / Cream

Symbolizes purity, innocence, and wisdom.

Next Birthday

--

days until June 23

Quote of the Day

“Talent is like a faucet; while it is open, you have to write. Inspiration? -- a hoax fabricated by poets for their self-importance.”

Jean Anouilh

Share Your Birthday

Create a beautiful birthday card with events and famous birthdays for June 23.

Create Birthday Card

Explore Nearby Dates

Popular Dates

Explore more about June 23 in history. See the full date page for all events, browse June, or look up another birthday. Play history games or talk to historical figures.