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What happened today (June 21) in history? Key events to look back on

From International Yoga Day to the Battle of Okinawa and the Berlin Airlift, June 21 brings together moments that shaped history, culture and global awareness.

By Pritha Chakraborty

Jun 21, 2026 09:22 IST

Some dates are marked by global observances, scientific significance and events that shaped history. June 21 brings together celebrations of culture, astronomy and political change that continue to resonate around the world. Here is a look at five notable events tied to this day.

International Yoga Day

International Day of Yoga is celebrated every year on June 21 to promote the physical, mental and spiritual benefits of yoga. Proposed by India and adopted by the United Nations in 2014, the observance is now marked across the globe.

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World Music Day

World Music Day is celebrated every year on June 21 to promote music and encourage both amateur and professional musicians to perform in public spaces. The event originated in France in 1982 and is now observed in more than 100 countries.

Summer solstice occurs in the Northern Hemisphere

June 21 usually marks the Summer Solstice, the longest day of the year in the Northern Hemisphere. The event has been celebrated for centuries through cultural festivals and seasonal traditions.

Battle of Okinawa ends (1945)

On June 21, 1945, the Battle of Okinawa effectively came to an end. One of the bloodiest battles of the Pacific War, it played a crucial role in the final stages of World War II.

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Prince William born (1982)

William, Prince of Wales was born on June 21, 1982. As the elder son of King Charles III and Diana, Princess of Wales, he is first in line to the British throne.

Berlin Airlift begins supplying West Berlin (1948)

On June 21, 1948, tensions surrounding the blockade of West Berlin intensified, leading to the Berlin Airlift, one of the first major confrontations of the Cold War. Allied aircraft would go on to supply the city for nearly a year.

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