January 31 » Czechoslav Trade Union Association is founded in Prague.
February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 26, 1915
The temperature on May 26, 1915 was between 9.9 °C and 25.2 °C and averaged 17.7 °C. There was 13.7 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
Day of death April 13, 1981
The temperature on April 13, 1981 was between 4.2 °C and 14.8 °C and averaged 9.8 °C. There was 2.9 hours of sunshine (21%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 28 » Ronald Reagan lifts remaining domestic petroleum price and allocation controls in the United States helping to end the 1979 energy crisis and begin the 1980s oil glut.
June 18 » The Lockheed F-117 Nighthawk, the first operational aircraft initially designed around stealth technology, makes its first flight.
June 28 » A powerful bomb explodes in Tehran, killing 73 officials of the Islamic Republican Party.
November 23 » Iran–Contra affair: Ronald Reagan signs the top secret National Security Decision Directive 17 (NSDD-17), giving the Central Intelligence Agency the authority to recruit and support Contra rebels in Nicaragua.
December 4 » South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).
December 19 » Sixteen lives are lost when the Penlee lifeboat goes to the aid of the stricken coaster Union Star in heavy seas.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I31052.php : accessed February 14, 2026), "Wilhelmina Maria Zwikker (1897-1981)".
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