The temperature on March 30, 1915 was between -5.1 °C and 6.5 °C and averaged 0.8 °C. There was 11.4 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
May 9 » World War I: Second Battle of Artois between German and French forces.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
Day of marriage June 28, 1941
The temperature on June 28, 1941 was between 12.3 °C and 19.5 °C and averaged 15.4 °C. There was 1.0 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 19 » World War II: HMSGreyhound and other escorts of convoy AS-12 sink Italian submarine Neghelli with all hands 40 miles (64km) northeast of Falkonera.
May 8 » World War II: The German Luftwaffe launches a bombing raid on Nottingham and Derby.
June 1 » The Farhud, a massive pogrom in Iraq, starts and as a result, many Iraqi Jews are forced to leave their homes.
August 31 » World War II: Serbian paramilitary forces defeat Germans in the Battle of Loznica.
September 17 » World War II: A decree of the Soviet State Committee of Defense restores compulsory military training.
December 11 » World War II: Germany and Italy declare war on the United States, following the Americans' declaration of war on the Empire of Japan in the wake of the attack on Pearl Harbor. The United States, in turn, declares war on them.
Day of death October 14, 1969
The temperature on October 14, 1969 was between 8.5 °C and 18.8 °C and averaged 13.2 °C. There was 4.8 hours of sunshine (44%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 20 » Richard Nixon is inaugurated the 37th President of the United States of America.
April 3 » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort.
May 13 » May 13 Incident involving sectarian violence in Kuala Lumpur, Malaysia.
July 20 » A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War".
August 9 » Followers of Charles Manson murder pregnant actress Sharon Tate (wife of Roman Polanski), coffee heiress Abigail Folger, Polish actor Wojciech Frykowski, men's hairstylist Jay Sebring and recent high-school graduate Steven Parent.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I29406.php : accessed February 12, 2026), "Gerrit Hendrik Klein Velderman (1915-1969)".
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