The temperature on April 26, 1915 was between 5.8 °C and 18.2 °C and averaged 11.6 °C. There was 9.5 hours of sunshine (65%). 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
July 7 » The First Battle of the Isonzo comes to an end.
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 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of death August 2, 1968
The temperature on August 2, 1968 was between 15.1 °C and 19.8 °C and averaged 16.8 °C. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 1 » Canada's three military services, the Royal Canadian Navy, the Canadian Army and the Royal Canadian Air Force, are unified into the Canadian Forces.
April 6 » Pierre Elliott Trudeau wins the Liberal Leadership Election, and becomes Prime Minister of Canada soon after.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
September 24 » First episode of 60 Minutes airs on television.
November 5 » Richard Nixon is elected as 37th President of the United States.
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/I281736.php : accessed January 7, 2026), "Johannes Petrus de Roij (1915-1968)".
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