Margrethe Pedersen was born on July 2, 1880 and died 100 years later on January 20, 1981. She was buried together with her husband Karl Pedersen, who lived from October 2, 1880 to June 11, 1962. Apart from the life data, unfortunately, it was not possible to find out more about her.
| 1880 | - | Vincent van Gogh decides to become a professional painter. |
| 1885 | - | Louis Pasteur administers the first vaccinations against rabies. |
| 1890 | - | After the death of the Dutch King Wilhelm III. Luxembourg becomes independent. |
| 1895 | - | Conrad Röntgen discovers the X-rays. |
| 1900 | - | The diesel engine, the sound film and the escalator will be presented for the first time at the Paris World Exhibition. |
| 1905 | - | The Danish Prince Håkon VII becomes King of Norway. |
| 1910 | - | The race to the South Pole between Scott and Amundsen begins. |
| 1915 | - | 5. June: The Basic Law of Denmark is changed, including the introduction of women's suffrage. |
| 1920 | - | After referendums on February 10th and March 14th, North Schleswig becomes Danish again. |
| 1925 | - | The Geneva Protocol banning chemical and biological weapons comes into force. |
| 1930 | - | The dog Pluto appears for the first time in a Mickey Mouse cartoon by the Disney Company. |
| 1935 | - | 13. July: Kurt Westergaard, draftsman of the Mohammed cartoons, is born. |
| 1940 | - | The German Reich occupies neutral Denmark despite the non-aggression pact. |
| 1945 | - | The United Nations is founded in June, Denmark joins in October. |
| 1950 | - | The Copenhagen Wave Plan for the allocation of transmitter frequencies in Europe comes into force. |
| 1955 | - | The foundation stone for the European nuclear research laboratory CERN is laid. |
| 1960 | - | First appearance of the Liverpool band under the name "The Beatles" in Hamburg. |
| 1965 | - | The first spacewalk by a spaceman almost ended in disaster. |
| 1970 | - | After a municipal reform, the 1098 municipalities merged into 25 offices form 277 new municipalities in 14 offices. |
| 1972 | - | Denmark joins the European Community, Margaret II becomes Queen. |
| 1975 | - | Iceland is paralyzed by a national women's strike in which around 90% of the female population are taking part. |
| 1980 | - | The company Burmeister & Wain from Copenhagen, builder of the state yacht Dannebrog, is dissolved. |