The temperature on April 21, 1911 was between 1.3 °C and 15.1 °C and averaged 9.7 °C. There was 4.6 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of death March 9, 1993
The temperature on March 9, 1993 was between -1.3 °C and 8.3 °C and averaged 3.2 °C. There was 10.4 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 2 » Sri Lankan Civil War: The Sri Lanka Navy kill 35–100 civilians on the Jaffna Lagoon.
March 22 » The Intel Corporation ships the first Pentium chips (80586), featuring a 60MHz clock speed, 100+ MIPS, and a 64 bit data path.
March 29 » Catherine Callbeck becomes premier of Prince Edward Island and the first woman to be elected in a general election as premier of a Canadian province.
April 23 » Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
April 30 » CERN announces World Wide Web protocols will be free.
June 1 » Dobrinja mortar attack: Thirteen are killed and 133 wounded when Serb mortar shells are fired at a soccer game in Dobrinja, west of Sarajevo.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I112964.php : accessed February 14, 2026), "Janke Postmus (1911-1993)".
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