Wikipedia defines history as the discovery, collection, organization, and presentation of information about past events. It came from the Greek word ‘historia’ – which means ‘inquiry, knowledge acquired by investigation’.

Did you know? There are many who claim Herodotus, a fifth century BC Greek historian, as the “father of history”.

This website utilizes pages from Wikipedia to extract historical events from 3761 BC up to the present. There are 105,062 records in the database that include events, births and deaths of popular individuals. The present day Gregorian calendar was adopted to show dates of interest.

Let us begin with today’s history. You may also enter a specific day using the form on the right sidebar.

What are the important events that happened on July 21? Here are historical events, facts, and some myths about this day.

July 21: Facts & Myths About This Day

July 21 is the 202nd day of the year 2017 in the Gregorian calendar. There are 163 days remaining until the end of this year. The day of the week is Friday.

Under the Julian calendar, this day is July 8, 2017 – a Friday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,500,595,200 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘dihectadigon’ day.

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Cancer is the zodiac sign of a person born on this day. Ruby is the modern birthstone for this month. Ruby is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 213 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 1,673 days since this fabled cataclysmic event.

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July 21 Historical Events

  • 365
    A tsunami devastates the city of Alexandria, Egypt. The tsunami was caused by the Crete earthquake estimated to be 8.0 on the Richter Scale. 5,000 people perished in Alexandria, and 45,000 more died outside the city.
  • 1944
    World War II: Battle of Guam – American troops land on Guam starting the battle. It would end on August 10.
  • 1944
    World War II: Claus Schenk Graf von Stauffenberg and fellow conspirators are executed in Berlin, Germany for the July 20 plot to assassinate Adolf Hitler.
  • 1969
    Space Race: Neil Armstrong and Edwin “Buzz” Aldrin become the first humans to walk on the Moon, during the Apollo 11 mission (July 20 in North America).
  • 1973
    In the Lillehammer affair in Norway, Israeli Mossad agents kill a waiter whom they mistakenly thought was involved in the 1972 Munich Olympics Massacre.

Who were born on July 21?

  • 1911
    Marshall McLuhan, Canadian author and media theorist (d. 1980)
  • 1966
    Sarah Waters, British novelist
  • 1980
    CC Sabathia, American baseball player
  • 1984
    Jurrick Juliana, Dutch footballer
  • 1990
    Chris Martin, English footballer

Who died on July 21?

  • 1403
    Henry Percy, English nobleman and soldier (b. 1364)
  • 1425
    Manuel II Palaeologus, Byzantine Emperor (b. 1350)
  • 1998
    Alan Shepard, American astronaut (b. 1923)
  • 2004
    Jerry Goldsmith, American composer (b. 1929)
  • 2010
    Luis Corvalán, Chilean communist leader (b. 1916)

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