Hubble Discovers Andromeda Is a Galaxy: The Universe Just Got Bigger
Edwin Hubble proved Andromeda is a separate galaxy rather than a nebula inside the Milky Way, shattering the long-held belief that our star system comprised the entire universe. This revelation forced astronomers to expand their maps of the cosmos and fundamentally altered humanity's understanding of its place in space.
November 23, 1924
102 years ago
Key Figures & Places
What Else Happened on November 23
Thespis of Icaria stepped out of the chorus to deliver solo lines, becoming the first recorded individual actor in Western theater. His innovation of dialogue b…
en Roma, la Lex Titia hace oficial el pacto por cinco años de gobierno común entre Marco Antonio, Octavio (heredero de Julio César) y Marco Emilio Lépido. Comie…
Charlemagne arrived in Rome to adjudicate charges of perjury and adultery against Pope Leo III, who had been physically attacked by his own clergy the previous …
Der Patriarch von Konstantinopel, Ignatios I., wird nach längeren Konflikten mit dem Regenten seines Amtes enthoben. Kaiser Michael III. und sein regierender On…
en España, Alfonso VI confirma una carta de donación de tierras hecha a su yerno, Enrique de Borgoña, conde de Portugal.
Saladin entered Damascus and absorbed the city into his growing domain without a fight. Control of this strategic prize gave him the power base to unify Muslim …
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