Youtube User: vlad9vt - Patomskiy Crater, Tunguska event, "Valey of Death" in Yakutia.
1908 year Around 7 o'clock in the morning, over the territory of the Yenisei River basin from the south-east to north-west flying large fireball. The flight ended with an explosion at an altitude of 7-10 km above the unpopulated area of taiga. The blast wave was recorded at observatories around the world, including in the western hemisphere. The blast had knocked down trees on the territory of more than 2000 km.