The temperature on December 11, 1866 was about 5.1 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 63%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 21 » Lucy Hobbs Taylor becomes the first American woman to graduate from dental school.
April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
May 22 » Oliver Winchester founded the Winchester Repeating Arms
July 28 » At the age of 18, Vinnie Ream becomes the first and youngest female artist to receive a commission from the United States government for a statue (of Abraham Lincoln).
October 22 » A plebiscite ratifies the annexion of Veneto and Mantua to Italy, which had occurred three days before, on October 19.
Day of marriage July 21, 1897
The temperature on July 21, 1897 was about 18.5 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of death February 6, 1927
The temperature on February 6, 1927 was between 0.7 °C and 4.4 °C and averaged 2.8 °C. There was 8.1 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 12 » Rocksprings, Texas was hit by an F5 tornado that destroyed 235 of the 247 buildings in the town and killed 72 townspeople and injured 205; third deadliest tornado in Texas history.
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53734.php : accessed February 19, 2026), "Petrus van Helvoort (1866-1927)".
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