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Old clock in sand with the words: It Happend in July

View Historical Events by Day: What Happened on July 21 in History?

Explore the historical events that shaped our world on July 21st. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.

365 CE, July 21

Crete earthquake - An estimated 8.5 magnitude underseas earthquake and resulting Tsunami causes widespread destruction in central and southern Macedonia (Modern Greece), Africa northern Libya, Egypt, where the city of Alexandria was severely damaged, Cyprus, Sicily and Hispania (Spain). On Crete, nearly all towns were destroyed. More

1798 CE, July 21

After capturing Alexandria and crossing the desert, Napoleon Bonaparte and his French troops defeat the infantry and cavalry of the Mamluks, the soldiers of the Ottoman Turks, in a decisive victory at the Battle of the Pyramids, (also known as the Battle of Embabeh). The victory opened the doors to the conquest of Cairo. More

1898 CE, July 21

Guam was ceded to the United States by Spain.

1925 CE, July 21

The "Scopes Monkey trial", formally The State of Tennessee v. John Thomas Scopes, which had started on July 10. comes to an end. The trial publicized the Fundamentalist–Modernist controversy, which set Modernists, who said evolution was not inconsistent with religion, against Fundamentalists. The trial was deliberately staged in order to attract publicity to the small town of Dayton, Tennessee, where it was held. Scopes was found guilty and was fined $100 (equivalent to $1,700 in 2023), but the verdict was overturned on a technicality. More

2011 CE, July 21

The Space Shuttle Atlantis completes STS-135, its 33rd and final mission landing on Runway 15 at Kennedy Space Center's Shuttle Landing Facility. More

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