Podcast:History Daily Published On: Tue Jul 22 2025 Description: July 22, 1916. A bomb explodes during a “Preparedness Day” parade in San Francisco, killing 10 people and wounding another 40. Support the show! Join Into History for ad-free listening and more.History Daily is a co-production of Airship and Noiser.Go to HistoryDaily.com for more history, daily.