
Browse Historical Events by Day: What Happened on July 21st?
Discover major events and cultural milestones that happened on this day — organized by year. Dates for earlier events may be approximate.
Note: Sources for the historical content shown, include research and reviews of relevant Online History Resources or printed material. When possible, we show a link to a source which provides additional or unique perspective about the event.
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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
Guam was ceded to the United States by Spain.
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
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