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What happened today (June 11) in history? Key events to look back on

From the first successful ascent of K2 to the birth of Jacques Cousteau, June 11 brings together moments that shaped exploration, culture and history.

By Pritha Chakraborty

Jun 11, 2026 08:55 IST

Some dates bring together moments that expanded human knowledge, advanced technology and shaped political history. June 11 reflects events ranging from pioneering exploration to major scientific achievements and influential cultural figures. Here is a look at five notable events tied to this day.

First humans reach the summit of K2 (1954)

On June 11, 1954, Italian climbers Achille Compagnoni and Lino Lacedelli successfully reached the summit of K2, the world’s second-highest mountain. The ascent is regarded as one of the greatest achievements in mountaineering history.

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Jacques Cousteau born (1910)

French naval officer, explorer and filmmaker Jacques Cousteau was born on June 11, 1910. His documentaries and underwater research helped popularize marine conservation and ocean exploration.

American Revolutionary War: Battle of Machias begins (1775)

On this day in 1775, the Battle of Machias began in present-day Maine. The engagement is often considered the first naval battle of the American Revolutionary War.

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Ben Jonson born (1572)

English playwright and poet Ben Jonson was born on June 11, 1572. A contemporary of Shakespeare, he became one of the most influential literary figures of the English Renaissance.

John Wayne born (1907)

On June 11, 1907, American actor John Wayne was born. He became one of Hollywood’s most iconic stars, particularly known for his roles in Western and war films.

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