The temperature on March 6, 1911 was between -0.6 °C and 7.7 °C and averaged 3.2 °C. There was 4.6 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
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 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 29 » Italy declares war on the Ottoman Empire.
Day of marriage July 20, 1937
The temperature on July 20, 1937 was between 14.2 °C and 24.5 °C and averaged 19.2 °C. There was 12.4 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
August 24 » Spanish Civil War: the Basque Army surrenders to the Italian Corpo Truppe Volontarie following the Santoña Agreement.
August 28 » Toyota Motors becomes an independent company.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
Day of death February 19, 2001
The temperature on February 19, 2001 was between 2.8 °C and 6.7 °C and averaged 5.1 °C. There was 1.0 mm of rain during 1.5 hours. There was 1.2 hours of sunshine (12%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 25 » Michele Alboreto is killed while testing an Audi R8 at the Lausitzring in Germany.
May 6 » During a trip to Syria, Pope John Paul II becomes the first pope to enter a mosque.
May 21 » French Taubira law is enacted, officially recognizing the Atlantic slave trade and slavery as crimes against humanity.
July 24 » The Bandaranaike Airport attack is carried out by 14 Tamil Tiger commandos. Eleven civilian and military aircraft are destroyed and 15 are damaged. All 14 commandos are shot dead, while seven soldiers from the Sri Lanka Air Force are killed. In addition, three civilians and an engineer die. This incident slowed the Sri Lankan economy.
December 13 » Sansad Bhavan, the building housing the Indian Parliament, is attacked by terrorists. Twelve people are killed, including the terrorists.
December 22 » Richard Reid attempts to destroy a passenger airliner by igniting explosives hidden in his shoes aboard American Airlines Flight 63.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I485945.php : accessed January 13, 2026), "Henrica Johanna Lucia de Groot (1911-2001)".
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