The National Gallery in London opens to the public. The The National Gallery was founded in 1824, when the British government purchased 38 paintings from…
9 May 1992
Westray Mine disaster kills 26 workers in Nova Scotia, Canada. The Westray Mine disaster was one of Canada’s deadliest mining tragedies. It occurred on May…
8 May 1429
Joan of Arc lifts the Siege of Orléans, turning the tide of the Hundred Years’ War. The Siege of Orléans was a major turning point…
7 May 1832
Greece’s independence is recognized by the Treaty of London. The Treaty of London was an important agreement signed by Britain, France, and Russia to establish…
6 May 1840
The Penny Black postage stamp becomes valid for use in the United Kingdom of Great Britain and Ireland. The Penny Black postage stamp, issued in…
5 May 1762
Russia and Prussia sign the Treaty of St. Petersburg. The Treaty of St. Petersburg marked a dramatic turning point in the latter stages of the…
4 May 1904
The United States begins construction of the Panama Canal. The Panama Canal has a long and complex history shaped by ambition, engineering challenges, and geopolitics….
3 May 1901
The Great Fire of 1901 begins in Jacksonville, Florida. The Great Fire of 1901 was one of the most devastating urban fires in the history…
2 May 1986
The City of Chernobyl is evacuated six days after the disaster. The Chernobyl disaster occurred on April 26, 1986, at the Chernobyl Nuclear Power Plant,…
1 May 1851
Queen Victoria opens The Great Exhibition at The Crystal Palace in London. The Great Exhibition, officially known as the Exhibition of the Works of Industry…