Some dates are remembered for moments that transformed global politics, advanced space exploration and celebrated influential figures. July 30 brings together events linked to diplomacy, scientific achievement and international observances that continue to shape the modern world. Here are five events associated with this day.

International Day of Friendship celebrated worldwide

iendship Day 2026: Celebrating the bonds that make life brighter
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iendship Day 2026: Celebrating the bonds that make life brighter | AI Generated

Every year on July 30, the world observes the International Day of Friendship, proclaimed by the United Nations to promote friendship, peace and understanding among people, cultures and nations. The observance encourages dialogue and solidarity as tools for building a more peaceful world.

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Emily Brontë born (1818)

Detail of Emily Brontë, from a painting by her brother, Branwell, c. 1834
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Detail of Emily Brontë, from a painting by her brother, Branwell, c. 1834 | Wikipedia

English novelist and poet Emily Brontë was born on July 30, 1818. She is best known for her only novel, Wuthering Heights, regarded as one of the greatest works of English literature.

Arnold Schwarzenegger born (1947)

Arnold Schwarzenegger
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Arnold Schwarzenegger | Wikipedia

Austrian-American actor, former bodybuilder and politician Arnold Schwarzenegger was born on July 30, 1947. A seven-time Mr. Olympia champion, he rose to global fame through films such as The Terminator before serving as the Governor of California.

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Apollo 15 launches to the Moon (1971)

James Irwin salutes the United States flag on the Moon, August 2, 1971
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James Irwin salutes the United States flag on the Moon, August 2, 1971 | Wikipedia

On July 30, 1971, NASA launched Apollo 15 from the Kennedy Space Center. The mission became the first to use the Lunar Roving Vehicle, allowing astronauts to travel farther across the Moon’s surface and conduct more extensive scientific exploration.

Jimmy Hoffa disappears (1975)

Jimmy Hoffa
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Jimmy Hoffa | Wikipedia

On July 30, 1975, American labour leader Jimmy Hoffa disappeared from a restaurant parking lot near Detroit, Michigan. Despite decades of investigations, his disappearance remains one of the most enduring unsolved mysteries in US history.