The temperature on July 15, 1911 was between 11.2 °C and 17.6 °C and averaged 14.7 °C. There was 1.1 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
September 29 » Italy declares war on the Ottoman Empire.
Day of death April 11, 1993
The temperature on April 11, 1993 was between 4.3 °C and 10.9 °C and averaged 7.6 °C. There was 1.5 mm of rain during 2.8 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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 1 » Dissolution of Czechoslovakia: Czechoslovakia is divided into the Czech Republic and Slovak Republic.
January 20 » Bill Clinton is inaugurated the 42nd President of the United States of America.
March 24 » Discovery of Comet Shoemaker-Levy 9.
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 21 » The Supreme Court in La Paz, Bolivia, sentences former dictator Luis García Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution.
September 22 » A barge strikes a railroad bridge near Mobile, Alabama, causing the deadliest train wreck in Amtrak history. Forty-seven passengers are killed.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I69949.php : accessed February 20, 2026), "Maria Boertien (1911-1993)".
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