June 30, 1908. A massive and mysterious explosion occurs near the Tunguska River in Siberia, Russia that will puzzle scientists and researchers for over a century. This episode originally aired in 2023. <ul><li>Support the show!&nbsp;Join&nbsp;<a href="https://intohistory.com/" rel="noopener noreferrer" target="_blank">Into History</a>&nbsp;for ad-free listening and more.</li></ul> History Daily is a co-production of Airship and Noiser.Go to&nbsp;<a href="http://historydaily.com/" rel="noopener noreferrer" target="_blank">HistoryDaily.com</a>&nbsp;for more history, daily.See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

The Battle of Gettysburg Begins

On&nbsp;History Daily, we do history, daily. Every weekday, host Lindsay Graham (American Scandal,&nbsp;American History Tellers) takes you back in time to explore a momentous event that happened ‘on this day’ in history. Whether it’s to remember the tragedy of December 7th, 1941, the day “that will live in infamy,” or to celebrate that 20th day in July, 1969, when mankind reached the moon,&nbsp;History Daily&nbsp;is there to tell you the true stories of the people and events that shaped our world—one day at a time. So if you’re stuck in traffic, bored at work—wherever you are, listen to&nbsp;History Daily&nbsp;to remind yourself that something incredible happened to make that day historic.