The temperature on December 20, 1889 was about 1.7 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
February 11 » Meiji Constitution of Japan is adopted.
March 31 » The Eiffel Tower is officially opened.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage May 31, 1913
The temperature on May 31, 1913 was between 7.3 °C and 15.8 °C and averaged 11.7 °C. There was 3.7 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
May 30 » The Treaty of London is signed, ending the First Balkan War; Albania becomes an independent nation.
July 31 » The Balkan States sign an armistice in Bucharest.
September 23 » Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).
October 31 » Dedication of the Lincoln Highway, the first automobile highway across United States.
December 1 » Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
Day of death July 29, 1966
The temperature on July 29, 1966 was between 11.3 °C and 16.4 °C and averaged 13.5 °C. There was 11.2 mm of rain during 4.1 hours. There was 0.7 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 26 » Apollo program: Launch of AS-201, the first flight of the Saturn IB rocket
June 30 » The National Organization for Women, the United States' largest feminist organization, is founded.
August 26 » The South African Border War starts with the battle at Omugulugwombashe.
September 6 » Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.
September 9 » The National Traffic and Motor Vehicle Safety Act is signed into law by U.S. President Lyndon B. Johnson.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I2185.php : accessed February 14, 2026), "Peter Kerssen (1889-1966)".
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