May 17 » Second Boer War: British troops relieve Mafeking.
June 14 » Hawaii becomes a United States territory.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death June 30, 1974
The temperature on June 30, 1974 was between 9.7 °C and 18.4 °C and averaged 14.2 °C. There was 1.2 mm of rain during 1.5 hours. There was 2.2 hours of sunshine (13%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 22 » Samuel Byck attempts to hijack an aircraft at Baltimore/Washington International Airport with the intention of crashing it into the White House to assassinate Richard Nixon, but is killed by police.
February 22 » The Organisation of the Islamic Conference summit begins in Lahore, Pakistan. Thirty-seven countries attend and twenty-two heads of state and government participate. It also recognizes Bangladesh.
March 8 » Charles de Gaulle Airport opens in Paris, France.
May 9 » Watergate scandal: The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.
August 30 » A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers.
November 13 » Ronald DeFeo, Jr. murders his entire family in Amityville, Long Island in the house that would become known as The Amityville Horror.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I522081.php : accessed February 2, 2026), "Bjarne Otto Holder (1900-1974)".
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.