The temperature on June 16, 1884 was about 13.0 °C. There was 2 mm of rain. The air pressure was 11 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
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.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
Day of death May 4, 1949
The temperature on May 4, 1949 was between 8.9 °C and 25.5 °C and averaged 17.0 °C. There was 0.4 mm of rain during 0.1 hours. There was 11.7 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 3 » The Bangko Sentral ng Pilipinas, the central bank of the Philippines, is established.
January 20 » Point Four Program a program for economic aid to poor countries announced by United States President Harry S. Truman in his inaugural address for a full term as President.
March 1 » Indonesian Army recaptures and occupies for six hours its capital city Yogyakarta from the Dutch.
May 20 » In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
November 7 » The first oil was taken in Oil Rocks (Neft Daşları), oldest offshore oil platform.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I7382.php : accessed February 7, 2026), "Adriana de Groot (1884-1949)".
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