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May
1

May Day has been celebrated as a workers' holiday and has seen pivotal events from espionage to architecture.

On This Day in History

Historical image at Acts of Union Create Kingdom of Great Britain in 1707
Acts of Union Create Kingdom of Great Britain, 1707. Photo: Wikimedia Commons / Public Domain
1707
Politics

Acts of Union Create Kingdom of Great Britain

The Acts of Union between England and Scotland took effect, creating the Kingdom of Great Britain. The Scottish Parliament was dissolved and Scottish MPs joined Westminster.

1776
Culture

Illuminati Founded in Bavaria

Adam Weishaupt founded the Order of the Illuminati at the University of Ingolstadt. The secret society promoted Enlightenment ideals but was suppressed within a decade.

1840
Invention

Penny Black Stamp Issued

Great Britain issued the Penny Black, the world's first adhesive postage stamp. The innovation revolutionized mail delivery by prepaying postage.

1851
Culture

Great Exhibition Opens in London

Queen Victoria opened the Great Exhibition in the Crystal Palace in London's Hyde Park. The first World's Fair showcased industrial achievements from around the world.

1898
War & Conflict

Battle of Manila Bay

Commodore George Dewey's Asiatic Squadron destroyed the Spanish fleet in Manila Bay, Philippines. The decisive victory took only hours and established U.S. power in the Pacific.

Historical image showing Empire State Building Opens in 1931
Empire State Building Opens, 1931. Photo: Wikimedia Commons / Public Domain
1931
Invention

Empire State Building Opens

The Empire State Building opened in New York City as the world's tallest building at 1,454 feet. It held the record for nearly 40 years.

Historical image during U-2 Spy Plane Shot Down Over Soviet Union in 1960
U-2 Spy Plane Shot Down Over Soviet Union, 1960. Photo: Wikimedia Commons / Public Domain
1960
War & Conflict

U-2 Spy Plane Shot Down Over Soviet Union

An American U-2 reconnaissance plane piloted by Francis Gary Powers was shot down over the Soviet Union. The incident derailed a planned summit between Eisenhower and Khrushchev.

All Days in May

May 1 May 2 May 3 May 4 May 5 May 6 May 7 May 8 May 9 May 10 May 11 May 12 May 13 May 14 May 15 May 16 May 17 May 18 May 19 May 20 May 21 May 22 May 23 May 24 May 25 May 26 May 27 May 28 May 29 May 30 May 31