February 20 » The legislature of Hawaii Territory convenes for the first time.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
July 24 » O. Henry is released from prison in Columbus, Ohio, after serving three years for embezzlement from a bank.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
Day of marriage April 30, 1929
The temperature on April 30, 1929 was between 3.7 °C and 7.7 °C and averaged 5.4 °C. There was 4.3 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The first full-length talking motion picture filmed outdoors, In Old Arizona, is released.
February 26 » President Calvin Coolidge signs an executive order establishing the 96,000 acre Grand Teton National Park in Wyoming.
April 8 » Indian independence movement: At the Delhi Central Assembly, Bhagat Singh and Batukeshwar Dutt throw handouts and bombs to court arrest.
November 3 » The Gwangju Student Independence Movement occurred.
November 7 » In New York City, the Museum of Modern Art opens to the public.
December 24 » Assassination attempt on Argentine President Hipólito Yrigoyen.
Day of death April 28, 1986
The temperature on April 28, 1986 was between 5.7 °C and 14.0 °C and averaged 9.7 °C. There was 2.2 hours of sunshine (15%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 20 » In the United States, Martin Luther King, Jr. Day is celebrated as a federal holiday for the first time.
April 26 » A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic in the Soviet Union, creating the world's worst nuclear disaster.
May 25 » The Hands Across America event takes place.
May 26 » The European Community adopts the European flag.
October 11 » Ronald Reagan and Mikhail Gorbachev meet in Iceland to continue discussions about scaling back IRBM arsenals in Europe.
November 26 » The trial of John Demjanjuk, accused of committing war crimes as a guard at the Nazi Treblinka extermination camp, starts in Jerusalem.
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/I177287.php : accessed February 28, 2026), "Christiaan Jacobus Petrus Boomaars (1901-1986)".
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