On this day

11 June in history.

5 moments from 1748 to 2010: discovery, creativity and courage, each with a source to read more.

5 moments

Edwin Armstrong, FM radio inventor

1936

FM radio is shown. Inventor Edwin Armstrong showed engineers his FM radio, which gave clear sound with almost no static.

Wikipedia: Edwin Howard Armstrong

Photo: Unknown author / Wikimedia Commons (Public domain)

More from 11 June

  1. Flag of Denmark ("stutflag" version)

    1748

    The Danish flag

    Denmark made its red flag with a white cross the official flag for merchant ships. It is thought to be the oldest national flag still in use.

    Wikipedia: Dannebrog

    Photo: Madden and others / Wikimedia Commons (Public domain)

  2. Émile Levassor, Histoire de l'automobile, Pierre Souvestre, éd. H. Dunod et E. Pinat, 1907 (ASIN B001BPBE58) p.172

    1895

    A great car race

    Cars raced from Paris to Bordeaux and back, about 1,200 kilometres, one of the first motor races ever.

    Wikipedia: Paris–Bordeaux–Paris

    Photo: Pierre Souvestre / Wikimedia Commons (Public domain)

  3. Artist's concept of the Fermi Gamma-ray Space Telescope spacecraft

    2008

    The Fermi telescope

    NASA launched the Fermi telescope to study gamma rays, the most powerful light in the universe.

    Wikipedia: Fermi Gamma-ray Space Telescope

    Photo: NASA / Wikimedia Commons (Public domain)

  4. Johannesburg South Africa

    2010

    The World Cup comes to Africa

    The FIFA World Cup kicked off in Johannesburg, the first time it was held in Africa.

    Wikipedia: 2010 FIFA World Cup

    Photo: Mark Hillary / Wikimedia Commons (CC BY 2.0)

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