1st August

1291: Traditional founding date of the Swiss Confederation (with the Federal Charter signed by Uri, Schwyz, and Unterwalden). This is celebrated as Swiss National Day.

1498: Christopher Columbus first sights the South American mainland (near the mouth of the Orinoco River in present-day Venezuela), believing it to be an island.

1774: English chemist Joseph Priestley isolates oxygen gas (corroborating earlier work by Carl Wilhelm Scheele).

1790: The first U.S. census is completed, recording a population of about 3.9 million. archive.

1834: The Slavery Abolition Act 1833 takes effect across most of the British Empire, freeing hundreds of thousands of enslaved people. This is observed as Emancipation Day in many former British colonies (including Guyana, Jamaica, and others).

1876: Colorado is admitted as the 38th U.S. state (the “Centennial State,” since it joined near the 100th anniversary of American independence). Celebrated as Colorado Day.

1914: Germany declares war on Russia, a key escalation at the start of World War I.

1936: The Summer Olympics open in Berlin under Adolf Hitler. The Nazi regime’s propaganda aims were undercut by the success of athletes like Jesse Owens.

1944: The Warsaw Uprising begins as the Polish resistance fights Nazi occupation. The same day, Anne Frank makes the final entry in her diary. history.com

1960: Benin (then Dahomey) gains independence from France.

1907: The first Scout camp opens on Brownsea Island in England, kicking off the global Scouting movement.

1971: George Harrison’s Concert for Bangladesh takes place at Madison Square Garden (two shows), featuring Bob Dylan, Ringo Starr, Ravi Shankar, Eric Clapton, and others—one of the first major benefit rock concerts.

1981: MTV launches at 12:01 a.m. with the Buggles’ “Video Killed the Radio Star”—the first music video aired on the channel, revolutionizing how music was consumed.

1996: George R.R. Martin’s A Game of Thrones (the first book in A Song of Ice and Fire) is published.