Asteroid Day (International observance)

Next Date

June 30th, 2026

Asteroid Day (International observance)

Asteroid Day is an annual global event which is held on June 30, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2,150 km2 (830 sq mi) of forest in Siberia, Russia.

Source: Wikipedia Asteroid_Day

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