On this day

10 April in history.

5 moments from 1858 to 2019: discovery, creativity and courage, each with a source to read more.

5 moments

The web of international telescopes that comprised the Event Horizon Telescope in 2019

2019

The first photo of a black hole. Scientists linking telescopes around the world released the first picture of a black hole: a dark centre ringed with glowing gas, in a distant galaxy.

Wikipedia: Event Horizon Telescope

Photo: D. Marrone/UofA / Wikimedia Commons (CC BY 4.0)

More from 10 April

  1. The Elizabeth Tower and the northern end of the Palace of Westminster, seen from Parliament Square near the Carriage Gates. London, England

    1858

    Big Ben is cast again

    After the first great bell cracked during testing, a new one was cast for the clock tower at the Palace of Westminster.

    Wikipedia: Big Ben

    Photo: Christian David / Wikimedia Commons (CC BY-SA 4.0)

  2. Volunteers planting a tree for Arbor Day on First Street SW in Rochester, Minnesota

    1872

    The first Arbor Day

    People in Nebraska spent a day planting trees, and around a million were planted. Many countries now have a tree-planting day.

    Wikipedia: Arbor DayWikipedia: Julius Sterling Morton

    Photo: Jonathunder / Wikimedia Commons (CC BY-SA 3.0)

  3. Greek athlete Spyridon Louis, the first to win a marathon at the 1896 Summer Olympics

    1896

    A water carrier wins the marathon

    Spyridon Louis, a Greek water carrier, won the first Olympic marathon in Athens to the joy of the home crowd.

    Wikipedia: Spyridon LouisWikipedia: 1896 Summer Olympics

    Photo: Unknown author / Wikimedia Commons (Public domain)

  4. F. Scott Fitzgerald

    1925

    The Great Gatsby is published

    F. Scott Fitzgerald's novel about wealth and longing in the Jazz Age came out. It sold slowly at first but is now an American classic.

    Wikipedia: The Great GatsbyWikipedia: F. Scott Fitzgerald

    Photo: Photographer unknown. The publicity photo was distributed by Fitzgerald's publisher, Sc… / Wikimedia Commons (Public domain)

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