# June 7th: The Day Scientists First Set Out to Solve History's Most Baffling Cosmic Explosion
About this episode
This episode explores the Tunguska Event and its historical significance, particularly focusing on the proposal by Leonid Kulik to investigate the explosion.
# The Tunguska Event: June 7th's Connection to History's Most Mysterious Explosion While the famous Tunguska Event occurred on June 30th, 1908, June 7th marks an intriguing anniversary in the ongoing mystery: it was on this date in 1921 that Russian mineralogist Leonid Kulik first presented his formal proposal to the Soviet Academy of Sciences to mount an expedition to investigate the strange reports coming from the remote Siberian wilderness. ## The Original Mystery On that fateful morning in 1908, something extraordinary happened over the Stony Tunguska River in Siberia. At approximately 7:17 AM local time, a massive explosion—estimated at 10-15 megatons, roughly 1,000 times more powerful than the Hiroshima atomic bomb—flattened an estimated 80 million trees across 830 square miles of forest. The blast was so powerful that it registered on seismic stations across Eurasia, and witnesses reported seeing a fireball streaking across the sky, followed by a blinding flash and a shockwave that knocked people off their feet from 40 miles away. ## The Unexplained Elements What makes Tunguska truly mystifying is what investigators *didn't* find. Despite the apocalyptic devastation, there…
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