Family tree Eijken » Herman Gerard Hammacher (1883-1970)

Personal data Herman Gerard Hammacher 


Household of Herman Gerard Hammacher

He is married to Johanna Hendrica Eijken.

They got married on May 17, 1910 at Hoorn, he was 27 years old.

Directeur ener bank (Slavenburgsche Bank)
1958 Ridder in de orde van oranje nassau

Child(ren):


Do you have supplementary information, corrections or questions with regards to Herman Gerard Hammacher?
The author of this publication would love to hear from you!


Timeline Herman Gerard Hammacher

  This functionality is only available in Javascript supporting browsers.
Click on the names for more info. Symbols used: grootouders grandparents   ouders parents   broers-zussen brothers/sisters   kinderen children

Ancestors (and descendant) of Herman Gerard Hammacher


With Quick Search you can search by name, first name followed by a last name. You type in a few letters (at least 3) and a list of personal names within this publication will immediately appear. The more characters you enter the more specific the results. Click on a person's name to go to that person's page.

  • You can enter text in lowercase or uppercase.
  • If you are not sure about the first name or exact spelling, you can use an asterisk (*). Example: "*ornelis de b*r" finds both "cornelis de boer" and "kornelis de buur".
  • It is not possible to enter charachters outside the standard alphabet (so no diacritic characters like ö and é).


Visualize another relationship

The data shown has no sources.

Historical events

Birthday April 16, 1883

  • The temperature on April 16, 1883 was about 9.9 °C. There was 0.1 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
  • 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 year 1883: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 16 » The Pendleton Civil Service Reform Act, establishing the United States Civil Service, is enacted by Congress.
    • March 20 » The Paris Convention for the Protection of Industrial Property is signed.
    • May 20 » Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
    • August 12 » The last quagga dies at the Natura Artis Magistra, a zoo in Amsterdam, Netherlands.
    • August 21 » An F5 tornado strikes Rochester, Minnesota, leading to the creation of the Mayo Clinic.
    • November 18 » American and Canadian railroads institute five standard continental time zones, ending the confusion of thousands of local times.

Day of marriage May 17, 1910

  • The temperature on May 17, 1910 was between 11.4 °C and 23.2 °C and averaged 16.9 °C. There was 5.3 hours of sunshine (34%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1910: Source: Wikipedia
    • The Netherlands had about 5.9 million citizens.
    • January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
    • January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
    • July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
    • October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
    • November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
    • November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.

Day of death February 6, 1970

  • The temperature on February 6, 1970 was between -4.5 °C and 3.8 °C and averaged -0.8 °C. There was 3.5 hours of sunshine (37%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In the year 1970: Source: Wikipedia
    • The Netherlands had about 13.0 million citizens.
    • June 11 » After being appointed on May 15, Anna Mae Hays and Elizabeth P. Hoisington officially receive their ranks as U.S. Army Generals, becoming the first women to do so.
    • September 8 » Trans International Airlines Flight 863 crashes during takeoff from John F. Kennedy International Airport in New York City, killing all 11 aboard.
    • September 16 » King Hussein of Jordan declares war against the Palestine Liberation Organization, the conflict which became to be known as Black September.
    • September 28 » Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
    • October 9 » The Khmer Republic is proclaimed in Cambodia.
    • November 25 » In Japan, author Yukio Mishima and one compatriot commit ritualistic seppuku after an unsuccessful coup attempt.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Hammacher


The Family tree Eijken publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hans Eijken, "Family tree Eijken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijken/I893.php : accessed October 14, 2026), "Herman Gerard Hammacher (1883-1970)".