Friday 21 October 2016, 14:00:22
21 October 1520
: Portuguese explorer Ferdinand Magellan finds the passage to the Pacific Ocean now known as the Magellan Strait.
21 October 1512
: Two days after being awarded his Doctor of Theology title, Martin Luther joins the senate of the theological faculty of the University of Wittenberg to spend the rest of his career.
21 October 1591
: Maurice of Nassau, fighting the Dutch independence war against Spain, captures Nijmegen.
21 October 1805
: Horatio Nelson, English admiral, aged 47, dies three hours after being shot during the Battle of Trafalgar.
21 October 1824
: British mason and inventor Joseph Aspdin patents Portland cement as “An Improvement in the Mode of Producing an Artificial Stone”.
21 October 1833
: Alfred Nobel, Swedish chemist, inventor of dynamite, is born in Stockholm.
21 October 1907
: Workman Daniel Hartmann discovers an old jaw in a sandpit, identified by professor Otto Schoetensack of the University of Heidelberg as a new human species, Homo heidelbergensis.
21 October 1923
: German instruments manufacturer Carl Zeiss AG demonstrates its planetarium projector Zeiss Model I showing 4900 stars at the Deutsches Museum in Munich.
21 October 1940
: Pelé, Brazilian footballer, Football Player of the Century according to the IFFHS and magazine France-Football, is born Edison Arantes do Nascimento in Três Corações.
21 October 1948
: The 9th General Conference on Weights and Measures defines the ampere, bar, coulomb, farad, henry, joule, newton, ohm, volt, watt, weber and chooses degrees Celsius over three contestants for a temperature unit.
21 October 1950
: The Fourth Geneva Convention relative to the Protection of Civilian Persons in Time of War goes into effect.
21 October 1966
: After days of heavy rain a landslide kills 116 children and 28 adults in the Welsh village of Aberfan, allegedly inspiring the Bee Gees to write their first hit “New York Mining Disaster 1941”.
21 October 1983
: The 17th General Conference on Weights and Measures redefines the metre as the length of the path travelled by light in vacuum in 1⁄299792458 second.
21 October 2008
: The Large Hadron Collider LHC is officially inaugurated at CERN in Geneva.