1860 Pony Express Service Starts
https://nationalponyexpress.org/historic-pony-express-trail/1860-1861-history/
The Super outbreak of April 3-4, 1974
https://www.weather.gov/iln/19740403
2010 Apple Releases Ipad
https://appleinsider.com/articles/20/04/03/looking-back-at-10-years-of-the-ipad-apples-revolutionary-tablet
1860 Pony Express Service Starts
https://nationalponyexpress.org/historic-pony-express-trail/1860-1861-history/
The Super outbreak of April 3-4, 1974
https://www.weather.gov/iln/19740403
2010 Apple Releases Ipad
https://appleinsider.com/articles/20/04/03/looking-back-at-10-years-of-the-ipad-apples-revolutionary-tablet