The temperature on June 4, 1890 was about 18.7 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
January 25 » Nellie Bly completes her round-the-world journey in 72 days.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage May 4, 1928
The temperature on May 4, 1928 was between 8.8 °C and 20.0 °C and averaged 14.7 °C. There was 12.8 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
November 15 » The RNLI lifeboat Mary Stanford capsized in Rye Harbour with the loss of the entire 17-man crew.
December 6 » The government of Colombia sends military forces to suppress a month-long strike by United Fruit Company workers, resulting in an unknown number of deaths.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I34786.php : accessed January 31, 2026), "Roelof Pol (1890-????)".
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