The temperature on January 20, 1910 was between 0.8 °C and 6.7 °C and averaged 3.7 °C. There was 0.5 mm of rain. There was 1.4 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of marriage April 24, 1939
The temperature on April 24, 1939 was between 6.5 °C and 11.4 °C and averaged 8.6 °C. There was 11.4 mm of rain during 4.6 hours. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 28 » The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.
March 15 » Carpatho-Ukraine declares itself an independent republic, but is annexed by Hungary the next day.
September 3 » World War II: The United Kingdom and France begin a naval blockade of Germany that lasts until the end of the war. This also marks the beginning of the Battle of the Atlantic.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
Day of death March 27, 1999
The temperature on March 27, 1999 was between 1.6 °C and 12.7 °C and averaged 6.9 °C. There was 9.1 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
May 3 » The southwestern portion of Oklahoma City is devastated by an F5 tornado, killing forty-five people, injuring 665, and causing $1billion in damage. The tornado is one of 66 from the 1999 Oklahoma tornado outbreak. This tornado also produces the highest wind speed ever recorded, measured at 301 +/- 20mph (484 +/- 32km/h).
May 6 » The first elections to the devolved Scottish Parliament and Welsh Assembly are held.
July 10 » In women's association football, the United States defeated China in a penalty shoot-out at the Rose Bowl near Los Angeles to win the final match of the 1999 FIFA Women's World Cup. The final was watched by 90,185 spectators, which set a new world record for attendance at a women's sporting event.
October 31 » Yachtsman Jesse Martin returns to Melbourne after 11 months of circumnavigating the world, solo, non-stop and unassisted.
November 30 » British Aerospace and Marconi Electronic Systems merge to form BAE Systems, Europe's largest defense contractor and the fourth largest aerospace firm in the world.
December 31 » The U.S. government hands control of the Panama Canal (as well all the adjacent land to the canal known as the Panama Canal Zone) to Panama. This act complied with the signing of the 1977 Torrijos–Carter Treaties.
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/I621119.php : accessed February 4, 2026), "Helena Persoons (1910-1999)".
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