Some dates are remembered for events that shaped nations, advanced space exploration and transformed global politics. June 30 brings together moments that continue to influence history, science and international affairs. Here is a look at five notable events tied to this day.
International Asteroid Day observed worldwide
Asteroid Day is observed every year on June 30 to raise awareness about asteroids, planetary defence, and the risks of asteroid impacts. The date commemorates the 1908 Tunguska event in Siberia.
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Tunguska explosion strikes Siberia (1908)
On June 30, 1908, the Tunguska event flattened more than 2,000 square kilometres of forest near the Podkamennaya Tunguska River in Siberia. Believed to have been caused by an asteroid or comet exploding in the atmosphere, it remains the largest impact event in recorded history.
Congo gains independence from Belgium (1960)
On this day in 1960, the Democratic Republic of the Congo gained independence from Belgium, ending more than 50 years of colonial rule. June 30 is celebrated annually as the country's Independence Day.
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First emergency telephone number introduced (1937)
On June 30, 1937, the world's first emergency telephone service using the number 999 was introduced in London. The system became a model for emergency response services adopted by many countries.
Mike Tyson born (1966)
Former heavyweight boxing champion Mike Tyson was born on June 30, 1966. Known as one of boxing's greatest heavyweight fighters, Tyson became the youngest boxer to win the WBC, WBA and IBF heavyweight titles.
