In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
August 5 » The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.
Day of marriage June 20, 1910
The temperature on June 20, 1910 was between 10.2 °C and 23.1 °C and averaged 16.5 °C. There was 13.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
Day of death November 10, 1961
The temperature on November 10, 1961 was between 2.9 °C and 6.7 °C and averaged 5.1 °C. There was 0.6 mm of rain during 0.5 hours. There was 3.0 hours of sunshine (33%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 26 » John F. Kennedy appoints Janet G. Travell to be the first woman Physician to the President.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
July 25 » Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
September 16 » Pakistan establishes its Space and Upper Atmosphere Research Commission with Abdus Salam as its head.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I6323.php : accessed May 1, 2025), "Martha Maria Magdalena du Plessis (1884-1961)".
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