Prongo.com

What Happened on July 22?

July 22 is Pi Approximation Day — math fans celebrate 22/7 as roughly 3.14 — on the same date Wiley Post flew solo around the world in 1933, Cleveland was founded in 1796, and the 9/11 Commission Report was published in 2004.

  • 1456 — Hungarian forces break the Siege of Belgrade

    On July 22, 1456, defenders led by John Hunyadi repelled Ottoman troops besieging Belgrade — a rare setback for the expanding Turkish empire. Read the full story →

  • 1796 — Surveyors lay out the town of Cleveland, Ohio

    On July 22, 1796, the Connecticut Land Company founded Cleaveland on Lake Erie — a frontier village that grew into a steel and rock-and-roll hub. Read the full story →

  • 1933 — Wiley Post completes the first solo flight around the world

    Oklahoma aviator Wiley Post landed in New York on July 22, 1933, after circling the globe alone in seven days — half the time of his previous record. Read the full story →

  • 1934 — Outlaw John Dillinger is killed outside a Chicago theater

    FBI agents gunned down bank robber John Dillinger on July 22, 1934, as he left the Biograph Theater — ending the reign of Depression-era Public Enemy No. 1. Read the full story →

  • 2004 — The 9/11 Commission Report is published

    On July 22, 2004, a bipartisan commission released its report on the September 11, 2001, attacks — detailing failures and reforms to protect America. Read the full story →

Famous birthdays

Alex Trebek (1940–2020) · Danny Glover (1946) · David Spade (1964) · Selena Gomez (1992)

Days & observances

Pi Approximation Day · National Hammock Day · National Penuche Fudge Day · Rat Catcher's Day