The temperature on March 31, 1915 was between -2.4 °C and 8.6 °C and averaged 2.8 °C. There was 10.5 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
Day of marriage December 29, 1941
The temperature on December 29, 1941 was between -8.3 °C and 2.3 °C and averaged -1.8 °C. There was 0.2 mm of rain. There was 0.9 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
May 5 » Emperor Haile Selassie returns to Addis Ababa; the country commemorates the date as Liberation Day or Patriots' Victory Day.
July 16 » Joe DiMaggio hits safely for the 56th consecutive game, a streak that still stands as an MLB record.
August 22 » World War II: German troops begin the Siege of Leningrad.
December 8 » World War II: Japanese forces simultaneously invade Shanghai International Settlement, Malaya, Thailand, Hong Kong, the Philippines, and the Dutch East Indies. (See December 7 for the concurrent attack on Pearl Harbor in the Western Hemisphere.)
December 20 » World War II: First battle of the American Volunteer Group, better known as the "Flying Tigers" in Kunming, China.
December 25 » Admiral Émile Muselier seizes the archipelago of Saint Pierre and Miquelon, which become the first part of France to be liberated by the Free French Forces.
Day of death December 26, 1975
The temperature on December 26, 1975 was between 2.0 °C and 8.7 °C and averaged 6.3 °C. There was 1.0 hours of sunshine (13%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 2 » At the opening of a new railway line, a bomb blast at Samastipur, Bihar, India, fatally wounds Lalit Narayan Mishra, Minister of Railways.
March 10 » Vietnam War: Ho Chi Minh Campaign: North Vietnamese troops attack Ban Mê Thuột in the South on their way to capturing Saigon in the final push for victory over South Vietnam.
April 21 » Vietnam War: President of South Vietnam Nguyễn Văn Thiệu flees Saigon, as Xuân Lộc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
September 16 » The first prototype of the Mikoyan MiG-31 interceptor makes its maiden flight.
October 10 » Papua New Guinea joins the United Nations.
When copying data from this family tree, please include a reference to the origin: Jan Willem Graafmans, "Family tree Graafmans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-graafmans/R443.php : accessed February 16, 2026), "Johannes Antonius Graafmans (1915-1975)".
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