The temperature on June 3, 1911 was between 13.0 °C and 26.4 °C and averaged 18.3 °C. There was 18.6 mm of rain. There was 8.4 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of marriage December 18, 1935
The temperature on December 18, 1935 was between -1.1 °C and 4.0 °C and averaged 1.3 °C. There was 1.1 mm of rain during 1.0 hours. There was 2.9 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
August 31 » In an attempt to stay out of the growing tensions concerning Germany and Japan, the United States passes the first of its Neutrality Acts.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
October 10 » In Greece, a coup d'état ends the Second Hellenic Republic.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
Day of death March 21, 2001
The temperature on March 21, 2001 was between -0.1 °C and 1.8 °C and averaged 0.9 °C. There was 5.8 mm of rain during 4.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 13 » An earthquake hits El Salvador, killing more than 800.
January 20 » George W. Bush is inaugurated the 43rd President of the United States of America.
July 2 » The AbioCor self-contained artificial heart is first implanted.
September 4 » Tokyo DisneySea opens to the public as part of the Tokyo Disney Resort in Urayasu, Chiba, Japan.
October 8 » U.S. President George W. Bush announces the establishment of the Office of Homeland Security.
December 22 » Burhanuddin Rabbani, political leader of the Northern Alliance, hands over power in Afghanistan to the interim government headed by President Hamid Karzai.
When copying data from this family tree, please include a reference to the origin: Rene Seeder, "Family tree Seeder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-seeder/I211.php : accessed February 2, 2026), "Marretje Garritsen (1911-2001)".
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