The temperature on September 4, 1888 was about 19.7 °C. The air pressure was 8 kgf/m2 and came mainly from the west-southwest. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
June 15 » Crown Prince Wilhelm becomes Kaiser Wilhelm II; he will be the last Emperor of the German Empire. Due to the death of his predecessors Wilhelm I and Frederick III, 1888 is the Year of the Three Emperors.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
August 31 » Mary Ann Nichols is murdered. She is the first of Jack the Ripper's confirmed victims.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
October 21 » Foundation of the Swiss Social Democratic Party.
Day of death April 15, 1967
The temperature on April 15, 1967 was between 5.5 °C and 14.3 °C and averaged 9.0 °C. There was 10.6 hours of sunshine (76%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 12 » Suharto takes power from Sukarno when the People's Consultative Assembly inaugurate him as Acting President of Indonesia.
April 23 » Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.
April 29 » After refusing induction into the United States Army the previous day, Muhammad Ali is stripped of his boxing title.
October 10 » The Outer Space Treaty comes into force.
November 3 » Vietnam War: The Battle of Dak To begins.
November 21 » Vietnam War: American General William Westmoreland tells news reporters: "I am absolutely certain that whereas in 1965 the enemy was winning, today he is certainly losing."
When copying data from this family tree, please include a reference to the origin: Cor Kox, "Family tree Kox", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kox/R340.php : accessed February 15, 2026), "Martinus Johannes Schoenmakers (1888-1967)".
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