Austrian forces repel French troops in the Battle of Arcis-sur-Aube. The **Napoleonic Wars** (1803–1815) were a series of major conflicts fought across Europe and beyond,…

Code Napoléon is adopted as French civil law. The Napoleonic Code, officially known as the Code Civil des Français, was enacted in 1804 under the…

Otto von Bismarck is appointed as the first Chancellor of the German Empire. Otto von Bismarck (1815–1898) was a towering figure in 19th-century European politics,…

World War I: The first phase of the German Spring Offensive, Operation Michael, begins. Operation Michael, also known as the Spring Offensive, was a major…

Martin Luther King Jr. leads 3,200 people on the start of the third and finally successful civil rights march from Selma to Montgomery, Alabama.

The social media site Twitter is founded.

Alcatraz Federal Penitentiary (in California) closes. [rdp-wiki-embed url=’https://en.wikipedia.org/wiki/Alcatraz_Federal_Penitentiary’]

The Butler Act prohibits the teaching of human evolution in Tennessee. Evolution became a subject of bitter debate—and litigation—in the US as it slowly crept…

Alcatraz Federal Penitentiary closes. On March 21, 1963, the Alcatraz Island federal prison in San Francisco Bay was emptied of its inmates and closed at…

Nineteen people in Ponce, Puerto Rico, are shot by a police squad acting under orders of the USA appointed Governor, Blanton Winship.