The temperature on April 2, 1876 was about 15.4 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
April 11 » The Benevolent and Protective Order of Elks is organized.
April 17 » Catalpa rescue: The rescue of six Fenian prisoners from Fremantle Prison in Western Australia.
April 22 » The first game in the history of the National League was played at the Jefferson Street Grounds in Philadelphia. This game is often pointed to as the beginning of Major League Baseball.
July 8 » The Hamburg massacre prior to the 1876 United States presidential election results in the deaths of six African-Americans of the Republican Party, along with one white assailant.
August 1 » Colorado is admitted as the 38th U.S. state.
October 4 » The Agricultural and Mechanical College of Texas opens as the first public college in Texas.
Day of marriage April 21, 1898
The temperature on April 21, 1898 was about 10.8 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 61%. Source: KNMI
January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
October 18 » The United States takes possession of Puerto Rico from Spain.
November 10 » Beginning of the Wilmington insurrection of 1898, the only instance of a municipal government being overthrown in United States history.
Day of death July 21, 1969
The temperature on July 21, 1969 was between 14.9 °C and 25.4 °C and averaged 20.0 °C. There was 7.2 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
April 7 » The Internet's symbolic birth date: Publication of RFC 1.
July 16 » Apollo program: Apollo 11, the first mission to land astronauts on the Moon, is launched from the Kennedy Space Center at Cape Kennedy, Florida.
July 21 » Apollo program: At 02:56 UTC, astronaut Neil Armstrong becomes the first person to walk on the Moon.
August 10 » A day after murdering Sharon Tate and four others, members of Charles Manson's cult kill Leno and Rosemary LaBianca.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I18655.php : accessed January 10, 2026), "Maria Angelina de Roover (1876-1969)".
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