Day In History
This Day in History
Today: February 23, 2026
303
Roman emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution.[1]
532
Byzantine emperor Justinian I lays the foundation stone of a new Orthodox Christian basilica in Constantinople – the Hagia Sophia.[2]
628
Khosrow II, last Sasanian shah of Iran, is overthrown.[3]
705
Empress Wu Zetian abdicates the throne, restoring the Tang dynasty.[4]
1455
Traditionally the date of publication of the Gutenberg Bible, the first Western book printed with movable type.[5]
1763
Berbice slave uprising in Guyana: The first major slave revolt in South America.[6][7]
1778
American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania, to help train the Continental Army.
1820
Cato Street Conspiracy: A plot to murder all the British cabinet ministers is exposed and the conspirators arrested.[8]
1836
Texas Revolution: The Siege of the Alamo (prelude to the Battle of the Alamo) begins in San Antonio, Texas.
1847
Mexican–American War: Battle of Buena Vista: In Mexico, American troops under future president General Zachary Taylor defeat Mexican General Antonio López de Santa Anna.
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