January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
Day of death February 13, 1971
The temperature on February 13, 1971 was between 3.9 °C and 8.4 °C and averaged 6.7 °C. There was 3.8 mm of rain during 2.4 hours. There was 6.0 hours of sunshine (61%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
January 12 » The Harrisburg Seven: Rev. Philip Berrigan and five other activists are indicted on charges of conspiring to kidnap Henry Kissinger and of plotting to blow up the heating tunnels of federal buildings in Washington, D.C.
April 7 » President Richard Nixon announces his decision to quicken the pace of Vietnamization.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
July 12 » The Australian Aboriginal Flag is flown for the first time.
August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
December 4 » The PNS Ghazi, a submarine belonging to the Pakistan Navy, sinks during the course of the Indo-Pakistani Naval War of 1971.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I113783.php : accessed February 16, 2026), "Jansje Heemskerk (1898-1971)".
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