The temperature on June 28, 1911 was between 7.9 °C and 19.1 °C and averaged 14.4 °C. There was 4.8 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Day of death July 17, 1952
The temperature on July 17, 1952 was between 12.8 °C and 18.2 °C and averaged 15.3 °C. There was 2.2 mm of rain during 0.6 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 21 » The Bengali Language Movement protests occur at the University of Dhaka in East Pakistan (now Bangladesh).
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
June 13 » Catalina affair: A Swedish Douglas DC-3 is shot down by a Soviet MiG-15 fighter.
July 3 » The Constitution of Puerto Rico is approved by the United States Congress.
July 3 » The SSUnited States sets sail on her maiden voyage to Southampton. During the voyage, the ship takes the Blue Riband away from the RMSQueen Mary.
July 23 » General Muhammad Naguib leads the Free Officers Movement (formed by Gamal Abdel Nasser, the real power behind the coup) in overthrowing King Farouk of Egypt.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I24203.php : accessed February 7, 2026), "Howard Claus Hoogacker (1911-1952)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.