July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
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 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of death August 21, 1899
The temperature on August 21, 1899 was about 14.0 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 78%. Source: KNMI
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
When copying data from this family tree, please include a reference to the origin: D.M. ten Have, "Family tree Ten Have", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ten-have/I152008.php : accessed August 8, 2025), "Geert de Jonge (1897-1899)".
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