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What happened today (June 18) in history? Key events to look back on

From Napoleon’s defeat at Waterloo to historic achievements in space, June 18 brings together moments that changed the course of history.

By Pritha Chakraborty

Jun 18, 2026 09:04 IST

Some dates are remembered for moments that changed the course of wars, advanced human exploration and left a lasting mark on history. June 18 brings together events linked to military turning points, groundbreaking journeys and influential figures. Here is a look at five notable events tied to this day.

Battle of Waterloo ends Napoleon’s rule (1815)

On June 18, 1815, the Battle of Waterloo was fought near Waterloo in present-day Belgium. The defeat of Napoleon Bonaparte by Allied forces marked the end of his rule and reshaped the political landscape of Europe.

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Sally Ride becomes first American woman in space (1983)

On this day in 1983, astronaut Sally Ride launched aboard Space Shuttle Challenger, becoming the first American woman to travel into space. Her achievement inspired generations of women in science and engineering.

War of 1812 begins between the US and Britain (1812)

On June 18, 1812, the United States formally declared war on Great Britain, beginning the War of 1812. The conflict had a lasting impact on North American history.

Also Read | What happened today (June 17) in history? Key events to look back on

Paul McCartney born (1942)

British musician Paul McCartney was born on June 18, 1942. As a member of The Beatles, he helped shape modern popular music.

Eileen Collins becomes first woman to command a Space Shuttle mission (1999)

On June 18, 1999, astronaut Eileen Collins became the first woman to command a NASA Space Shuttle mission, leading the crew of Space Shuttle Columbia on STS-93.

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