On this day

23 April in history.

5 moments from 1635 to 2009: discovery, creativity and courage, each with a source to read more.

5 moments

YouTube search results showing video thumbnails. All three videos are licensed under Creative Commons Attribution

2005

Wikipedia: Me at the zoo

Photo: Lyles BBQ, Smile and Learn - English, The Flat Top King (previous screenshot: yumyotta) / Wikimedia Commons (Public domain)

More from 23 April

  1. Boston Latin School, Avenue Louis Pasteur

    1635

    America's first public school

    Boston Latin School was founded. It is the oldest school still running in the United States.

    Photo: Kenneth C. Zirkel / Wikimedia Commons (CC BY-SA 4.0)

  2. Professional baseball player Hank Aaron

    1954

    Hank Aaron's first home run

    Batting for the Milwaukee Braves, Hank Aaron hit his first major league home run. By the end of his career he had 755.

    Photo: Unknown author / Wikimedia Commons (Public domain)

  3. Sinclair 48K ZX Spectrum computer (1982)

    1982

    The ZX Spectrum

    Sinclair Research launched the ZX Spectrum, a small colour home computer. It became Britain's best-selling computer and started many careers in games.

    Photo: Bill Bertram / Wikimedia Commons (CC BY-SA 2.5)

  4. GRB 090423

    2009

    Light from the dawn of time

    A gamma-ray burst was detected from an exploding star so far away that its light had travelled more than 13 billion years.

    Photo: International Gemini Observatory/ NSF /AURA, D. Fox and A. Cucchiara (Penn State Univ.)… / Wikimedia Commons (CC BY 4.0)

Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.