June 23 in History

Significant events that happened on this day.

Today

Historical Events

2018

Twelve boys and their soccer coach became trapped in the Tham Luang cave in Thailand, sparking a massive international rescue effort

The team had entered the cave for a post-practice adventure when monsoon flooding blocked their exit. They survived nine days in complete darkness bef...

2016

The United Kingdom voted to leave the European Union in a referendum that shocked the world

Major

The Brexit vote passed with 51.9% in favor of leaving, immediately causing Prime Minister David Cameron to resign and triggering years of political ch...

1991

Sonic the Hedgehog was released for the Sega Genesis, giving the company a mascot to rival Nintendo's Mario

Sega designed Sonic to be edgy and cool to appeal to older kids who thought Mario was for babies. The blue hedgehog's attitude and speed-based gamepla...

1985

Air India Flight 182 was destroyed by a bomb over the Atlantic Ocean, killing all 329 people aboard

Major

The explosion occurred at an altitude of 31,000 feet off the coast of Ireland, making it the deadliest aviation terrorist attack until 9/11. The bombi...

1972

Title IX was enacted in the United States, prohibiting sex-based discrimination in educational programs

Major

This landmark legislation transformed American education and athletics, dramatically increasing opportunities for women and girls. Before Title IX, fe...

1969

IBM unbundled its software from hardware, essentially creating the commercial software industry

Major

Before this date, IBM gave away software for free with computer purchases. Facing antitrust pressure, they began charging separately for software, whi...

1956

Gamal Abdel Nasser was elected president of Egypt, becoming the country's second president

Nasser won with 99.9% of the vote in an uncontested election, officially formalizing his leadership after leading the 1952 revolution. His presidency...

1912

Alan Turing, the father of computer science and artificial intelligence, was born in London

Turing would go on to crack the Nazi Enigma code during World War II, potentially shortening the war by years and saving millions of lives. Despite hi...

1894

The International Olympic Committee was founded in Paris at the Sorbonne

Baron Pierre de Coubertin established the IOC to revive the ancient Olympic Games after a 1,500-year hiatus. The first modern Olympics would be held j...

1888

Frederick Douglass became the first African American to receive a vote for presidential nomination at a major party convention

At the Republican National Convention, Douglass received one vote from Kentucky during the presidential roll call. The honor was largely symbolic, occ...

1868

Christopher Latham Sholes received a patent for the typewriter with a QWERTY keyboard layout

Major

Sholes designed the QWERTY layout specifically to prevent jamming by separating commonly used letter pairs. Despite being created to solve a mechanica...

1757

The British East India Company defeated the Nawab of Bengal at the Battle of Plassey, beginning British colonial rule in India

Robert Clive won this pivotal battle with just 3,000 troops against 50,000, largely through bribing the Nawab's commanders to defect. The victory wasn...

1683

William Penn signed a friendship treaty with Lenni Lenape Indians in Pennsylvania

Penn's treaty was unusual for actually being honored by both sides and never requiring an oath for ratification. The Quaker founder paid the Lenape fo...

1314

The Battle of Bannockburn began, where Scottish forces led by Robert the Bruce defeated the English army

Major

This decisive two-day battle secured Scottish independence from England. Despite being heavily outnumbered, Bruce's tactical genius and knowledge of t...

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