The temperature on May 11, 1891 was about 20.3 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
March 17 » SSUtopia collides with HMSAnson in the Bay of Gibraltar and sinks, killing 562 of the 880 passengers on board.
May 15 » Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
December 22 » Asteroid 323 Brucia becomes the first asteroid discovered using photography.
Day of marriage June 25, 1920
The temperature on June 25, 1920 was between 8.0 °C and 21.7 °C and averaged 15.2 °C. There was 1.3 mm of rain. There was 9.2 hours of sunshine (55%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
February 14 » The League of Women Voters is founded in Chicago.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
Day of burial May 11, 1971
The temperature on May 11, 1971 was between 8.6 °C and 25.0 °C and averaged 17.7 °C. There was -0.1 mm of rain. There was 13.6 hours of sunshine (88%). The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 1 » Cigarette advertisements are banned on American television.
July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
August 27 » An attempted coup d'état fails in the African nation of Chad. The Government of Chad accuses Egypt of playing a role in the attempt and breaks off diplomatic relations.
September 29 » Oman joins the Arab League.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
December 16 » The United Kingdom recognizes Bahrain's independence, which is commemorated annually as Bahrain's National Day.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I2811.php : accessed January 13, 2026), "Sjabbo Smedes (1891-????)".
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