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What Happened Today in History on February 26

Explore the historical events that shaped our world on February 26th. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.

Otto I's wife Adelaide is crowned empress by Pope John XII.

Battle of Benevento: Charles of Anjou defeats the Hohenstaufen Frederick II.

Pope Clement VI issues the papal bull "Unigenitus," condemning the ideas of the Franciscan Spirituals.

Alfonso V of Aragon takes control of the Kingdom of Naples after his victory over René of Anjou; culminating in his triumphal entry into the city. This victory reunited the kingdoms of Naples and Sicily under his rule, and he then styled himself "King of the Two Sicilies".

Napoleon's escapes from Elba where he was exiled after his forced abdication as French emperor in 1814 and begins his "Hundred Days" rule. Napoleon gathered support in route to Paris, retook power on March 20 as ruler of France and wage war against the English and Prussian armies. All ending in his final defeat at the Battle of Waterloo on June 18 1815. More

French scientist Henri Becquerel discovers radioactivity while working on a series of experiments on phosphorescent materials. During his experiments, Becquerel observed that uranium compounds produced a photographic image on a plate wrapped in black paper. 

A bomb planted by terrorists explodes beneath the World Trade Center in New York City, killing six and injuring over 1,000 people. The World Trade Center building suffered more than $500 million in damage. The attack was carried out by Ramzi Yousef and 6 conspirators. One of them was never captured. More