The temperature on June 14, 1911 was between 2.7 °C and 15.8 °C and averaged 9.4 °C. There was 5.1 mm of rain. There was 8.6 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death August 12, 1999
The temperature on August 12, 1999 was between 8.5 °C and 19.6 °C and averaged 14.2 °C. There was 3.9 hours of sunshine (26%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 11 » Pluto crosses Neptune's orbit, ending a nearly 20-year period when it was closer to the Sun than the gas giant; Pluto is not expected to interact with Neptune's orbit again until 2231.
August 26 » Russia begins the Second Chechen War in response to the Invasion of Dagestan by the Islamic International Peacekeeping Brigade.
August 31 » A LAPA Boeing 737-200 crashes during takeoff from Jorge Newbury Airport in Buenos Aires, killing 65, including two on the ground.
August 31 » The first of a series of bombings in Moscow kills one person and wounds 40 others.
October 31 » EgyptAir Flight 990 crashes into the Atlantic Ocean near Nantucket, killing all 217 people on board.
November 11 » The House of Lords Act is given Royal Assent, restricting membership of the British House of Lords by virtue of a hereditary peerage.
When copying data from this family tree, please include a reference to the origin: Nettie van der Hak, "Family tree Van der Hak - Scheveningen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-hak/I274.php : accessed August 10, 2025), "Gerrit Catharinus Louis KLAUI (1911-1999)".
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