April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
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 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of death February 21, 1898
The temperature on February 21, 1898 was about 1.8 °C. The airpressure was 74 cm mercury. The atmospheric humidity was 100%. Source: KNMI
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
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 18 » The Fashoda Incident triggers the last war scare between Britain and France.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I405008.php : accessed January 27, 2026), "Johannes de Lepper (1897-1898)".
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