Hubble Sees Andromeda: Universe Expands Beyond the Milky Way
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…
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 …
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 …
Assassins ambushed and killed Prince Leszek I the White during a gathering of Piast dukes at Gąsawa. His death shattered the fragile unity of the Polish princip…
King Ferdinand III of Castile captured Seville after a 16-month siege, taking the largest and wealthiest city remaining under Moorish control in Iberia. The con…
Perkin Warbeck, who had claimed to be the lost prince Richard of York and invaded England twice with foreign backing, was hanged after allegedly attempting to e…
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