January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of death April 11, 1977
The temperature on April 11, 1977 was between 1.2 °C and 8.8 °C and averaged 4.1 °C. There was 1.4 mm of rain during 0.9 hours. There was 3.5 hours of sunshine (26%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 19 » President Gerald Ford pardons Iva Toguri D'Aquino (a.k.a. "Tokyo Rose").
April 11 » London Transport's Silver Jubilee AEC Routemaster buses are launched.
April 22 » Optical fiber is first used to carry live telephone traffic.
August 17 » The Soviet icebreaker Arktika becomes the first surface ship to reach the North Pole.
September 5 » Voyager Program: NASA launches the Voyager 1 spacecraft.
November 6 » The Kelly Barnes Dam, located above Toccoa Falls College near Toccoa, Georgia, fails, killing 39.
Day of burial April 14, 1977
The temperature on April 14, 1977 was between 2.6 °C and 9.4 °C and averaged 5.8 °C. There was 4.1 mm of rain during 2.6 hours. There was 6.6 hours of sunshine (48%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
April 5 » The US Supreme Court rules that congressional legislation that diminished the size of the Sioux people's reservation thereby destroyed the tribe's jurisdictional authority over the area in Rosebud Sioux Tribe v. Kneip.
June 16 » Oracle Corporation is incorporated in Redwood Shores, California, as Software Development Laboratories (SDL), by Larry Ellison, Bob Miner and Ed Oates.
August 15 » The Big Ear, a radio telescope operated by Ohio State University as part of the SETI project, receives a radio signal from deep space; the event is named the "Wow! signal" from the notation made by a volunteer on the project.
September 30 » Because of NASA budget cuts and dwindling power reserves, the Apollo program's ALSEP experiment packages left on the Moon are shut down.
October 26 » Ali Maow Maalin, the last natural case of smallpox, develops a rash in Somalia. The World Health Organization and the Centers for Disease Control and Prevention consider this date to be the anniversary of the eradication of smallpox, the most spectacular success of vaccination.
December 5 » Egypt breaks diplomatic relations with Syria, Libya, Algeria, Iraq and South Yemen. The move is in retaliation for the Declaration of Tripoli against Egypt.
When copying data from this family tree, please include a reference to the origin: Johan Decloedt, "Family tree Decloedt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-decloedt/I418.php : accessed January 17, 2026), "Helena Marie (Helena, Marie) BOEVE (1896-1977)".
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