February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 30 » The British Colony of Natal annexes Zululand.
Day of death May 23, 1971
The temperature on May 23, 1971 was between 10.7 °C and 22.5 °C and averaged 15.5 °C. There was 5.8 mm of rain during 1.8 hours. There was 7.1 hours of sunshine (44%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
March 7 » Sheikh Mujibur Rahman, political leader of then East Pakistan (present day-Bangladesh), delivers his historic 7th March speech in the Racecourse Field (Now Suhrawardy Udyan) in Dhaka.
March 18 » Peru: a landslide crashes into Yanawayin Lake, killing 200 people at the mining camp of Chungar.
September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
September 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
When copying data from this family tree, please include a reference to the origin: Nabestaanden Sierd Eizenga , "Family tree Eizenga-Vis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eizenga-vis/I7358.php : accessed February 18, 2026), "Jan van Wijngaarden (1897-1971)".
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