Template:Are You Sure/June 30

The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.

... that the 1908 Tunguska event was a massive explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908; that the explosion flattened an estimated 80 million trees over an area of 2,150 km2 (830 sq mi) of forest; that eyewitness reports suggest that at least three people may have died in the event; and that the explosion is generally attributed to the air burst of a stony meteoroid about 100 metres (330 feet) in size?