The temperature on July 28, 1884 was about 19.5 °C. The air pressure was 2 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
Day of marriage January 19, 1909
The temperature on January 19, 1909 was between -1.5 °C and 5.8 °C and averaged 2.1 °C. There was 0.2 mm of rain. There was 6.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 23 » RMSRepublic, a passenger ship of the White Star Line, becomes the first ship to use the CQD distress signal after colliding with another ship, the SS Florida, off the Massachusetts coastline, an event that kills six people. The Republic sinks the next day.
June 26 » The Science Museum in London comes into existence as an independent entity.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
Day of death May 11, 1976
The temperature on May 11, 1976 was between 10.2 °C and 17.6 °C and averaged 13.4 °C. There was 10.8 hours of sunshine (70%). The partly 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.
April 2 » Prince Norodom Sihanouk resigns as leader of Cambodia and is placed under house arrest.
June 28 » The Angolan court sentences US and UK mercenaries to death sentences and prison terms in the Luanda Trial.
July 10 » Four mercenaries (one American and three British) are executed in Angola following the Luanda Trial.
July 20 » The American Viking 1 lander successfully lands on Mars.
July 28 » The Tangshan earthquake measuring between 7.8 and 8.2 moment magnitude flattens Tangshan in the People's Republic of China, killing 242,769 and injuring 164,851.
August 7 » Viking program: Viking 2 enters orbit around Mars.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I7249.php : accessed October 23, 2026), "Helena Annetta (Lena) VERLOOP (1884-1976)".
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