The temperature on April 21, 1878 was about 16.9 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
June 4 » Cyprus Convention: The Ottoman Empire cedes Cyprus to the United Kingdom but retains nominal title.
June 10 » League of Prizren is established, to oppose the decisions of the Congress of Berlin and the Treaty of San Stefano, as a consequence of which the Albanian lands in the Balkans were being partitioned and given to the neighbor states of Serbia, Montenegro, Bulgaria, and Greece.
July 1 » Canada joins the Universal Postal Union.
July 13 » Treaty of Berlin: The European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire.
September 3 » Over 640 die when the crowded pleasure boat Princess Alice collides with the Bywell Castle in the River Thames.
Day of marriage April 29, 1909
The temperature on April 29, 1909 was between 5.9 °C and 12.2 °C and averaged 8.8 °C. There was 15.5 mm of rain. There was 7.4 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
June 26 » The Science Museum in London comes into existence as an independent entity.
August 7 » Alice Huyler Ramsey and three friends become the first women to complete a transcontinental auto trip, taking 59 days to travel from New York, New York to San Francisco, California.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
Day of death April 22, 1961
The temperature on April 22, 1961 was between 10.1 °C and 16.7 °C and averaged 13.1 °C. There was 3.9 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 17 » Former Congolese Prime Minister Patrice Lumumba is murdered in circumstances suggesting the support and complicity of the governments of Belgium and the United States.
March 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 1 » The Eritrean War of Independence officially begins with the shooting of Ethiopian police by Hamid Idris Awate.
November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
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/I19239.php : accessed February 5, 2026), "Roelofje Stevens (1878-1961)".
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