
A notable historical event every day, sourced from Wikipedia. Milestones, discoveries, and moments that shaped the world — served fresh each morning.
Tuesday, April 21
2021: The Indonesian Navy submarine Nanggala imploded and sank in the Bali…
All Day
Upcoming
2022: American climate activist Wynn Bruce set himself on fire outside the…
Apr 22 · All Day
2019: A landslide triggered the collapse of a jade mine in Hpakant,…
Apr 23 · All Day
2013: A building in the Savar Upazila of Dhaka, Bangladesh, collapsed,…
Apr 24 · All Day
2015: Nepal was struck by a magnitude-7.8 earthquake, killing more than…
Apr 25 · All Day
2012: The International Hydrographic Organization abandoned South…
Apr 26 · All Day
The This Day in History calendar tracks every upcoming event in one auto-updating feed. Part of Daily Wisdom on Sync2Cal, this calendar is built for fans who want to follow every moment without missing a beat. Add it once and it stays current for the rest of the season.
This calendar tracks every This Day in History event as it's announced. Dates and details update automatically, so sync once and the calendar stays current with no manual refresh needed. There are currently 29 upcoming This Day in History events with the next event on Apr 22.