February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
July 29 » The First Hague Convention is signed.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of marriage November 6, 1935
The temperature on November 6, 1935 was between 3.4 °C and 11.2 °C and averaged 7.4 °C. There was 2.4 mm of rain during 3.2 hours. There was 1.8 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 11 » Amelia Earhart becomes the first person to fly solo from Hawaii to California.
June 10 » Chaco War ends: A truce is called between Bolivia and Paraguay who had been fighting since 1932.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
November 9 » The Congress of Industrial Organizations is founded in Atlantic City, New Jersey, by eight trade unions belonging to the American Federation of Labor.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
Day of death July 17, 1956
The temperature on July 17, 1956 was between 12.3 °C and 19.8 °C and averaged 15.7 °C. There was 0.3 hours of sunshine (2%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 8 » Operation Auca: Five U.S. missionaries are killed by the Huaorani of Ecuador shortly after making contact with them.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
March 1 » Formation of the East German Nationale Volksarmee.
June 20 » A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.
July 9 » The 7.7 Mw Amorgos earthquake shakes the Cyclades island group in the Aegean Sea with a maximum Mercalli intensity of IX (Violent). The shaking and the destructive tsunami that followed left fifty-three people dead. A damaging M7.2 aftershock occurred minutes after the mainshock.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4107.php : accessed January 26, 2026), "Johannes Gaarthuis (1899-1956)".
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