The temperature on March 2, 1889 was about -4.9 °C. The air pressure was 4 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage March 25, 1915
The temperature on March 25, 1915 was between 1.7 °C and 9.9 °C and averaged 5.6 °C. There was 7.8 mm of rain. There was 1.4 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of death June 11, 1973
The temperature on June 11, 1973 was between 8.2 °C and 18.3 °C and averaged 14.1 °C. There was 3.6 hours of sunshine (22%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 1 » Denmark, Ireland and the United Kingdom are admitted into the European Economic Community.
April 19 » The Portuguese Socialist Party is founded in the German town of Bad Münstereifel.
May 25 » In protest against the dictatorship in Greece, the captain and crew on Greek naval destroyer Velos mutiny and refuse to return to Greece, instead anchoring at Fiumicino, Italy.
September 11 » A coup in Chile headed by General Augusto Pinochet topples the democratically elected president Salvador Allende. Pinochet exercises dictatorial power until ousted in a referendum in 1988, staying in power until 1990.
September 20 » Billie Jean King beats Bobby Riggs in the Battle of the Sexes tennis match at the Houston Astrodome.
October 17 » OPEC imposes an oil embargo against countries they deem to have helped Israel in the Yom Kippur War.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I779.php : accessed September 27, 2026), "Gerrit LEENHEER (1889-1973)".
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