March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death December 18, 1963
The temperature on December 18, 1963 was between -1.3 °C and 0.3 °C and averaged -0.3 °C. There was 0.9 mm of rain during 0.9 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
July 1 » The British Government admits that former diplomat Kim Philby had worked as a Soviet agent.
August 8 » The Zimbabwe African National Union (ZANU), the current ruling party of Zimbabwe, is formed by a split from the Zimbabwe African People's Union.
August 21 » Xá Lợi Pagoda raids: The Army of the Republic of Vietnam Special Forces loyal to Ngô Đình Nhu, brother of President Ngo Dinh Diem, vandalizes Buddhist pagodas across the country, arresting thousands and leaving an estimated hundreds dead.
August 28 » March on Washington for Jobs and Freedom: The Reverend Martin Luther King, Jr. gives his I Have a Dream speech.
September 25 » Lord Denning releases the UK government's official report on the Profumo affair.
November 1 » The Arecibo Observatory in Arecibo, Puerto Rico, with the largest radio telescope ever constructed, officially opens.
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/I494458.php : accessed February 21, 2026), "Cornelius Marinus de Kock (1900-1963)".
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