On this day

28 May in history.

5 moments from 1892 to 2017: discovery, creativity and courage, each with a source to read more.

5 moments

Portrait of John Muir by Carlton E. Watkins

1892

John Muir founds the Sierra Club. Naturalist John Muir and friends started the Sierra Club in San Francisco to protect wild places. It is now one of America's largest environmental groups.

Wikipedia: Sierra Club

Photo: Carlton E. Watkins / Wikimedia Commons (Public domain)

More from 28 May

  1. Afsluitdijk, kaart op basis van OpenStreetMap

    1932

    The Afsluitdijk is finished

    The Dutch completed a 32-kilometre dam that turned a sea bay into a freshwater lake and protected the land from floods.

    Wikipedia: Afsluitdijk

    Photo: Condor3d / Wikimedia Commons (CC BY 4.0)

  2. Photograph portrait of Alan Turing, taken on 29 March 1951

    1936

    Turing's big idea

    Alan Turing sent off his paper On Computable Numbers, which described a simple machine that could carry out any calculation. It laid the foundations of computer science.

    Wikipedia: Alan TuringWikipedia: Turing machine

    Photo: Elliott & Fry / Wikimedia Commons (Public domain)

  3. The Last Supper Restored - Leonardo Da Vinci

    1999

    The Last Supper restored

    After 22 years of careful restoration, Leonardo da Vinci's mural in Milan was shown to the public again.

    Wikipedia: The Last Supper (Leonardo)

    Photo: Leonardo da Vinci / Wikimedia Commons (Public domain)

  4. Takuma Sato in the pits during the Indycar Long Beach Grand Prix 2021

    2017

    Takuma Sato wins the Indy 500

    Takuma Sato became the first Japanese and first Asian driver to win the Indianapolis 500.

    Wikipedia: Takuma Sato

    Photo: Wolkenjaeger / Wikimedia Commons (CC BY-SA 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.