1837 – Born on the 21st of April in Vester Egede, near Naestved, Denmark.
1848 – Bajer entered the Sorø Academy.
1856 – Joined the army as a lieutenant in the Dragoons, stationed first in Naestved and then in Holstein.
1860 – He take advanced courses in another military school.
1864 – Commanded troops in northern Jutland, winning attention by his ability and conduct and earning promotion to the rank of first lieutenant.
1870 – Started the Nordisk Fristats Samfund [Society of Nordic Free States], dedicated to the promotion of Nordic unity and cooperation.
1871 – Bajer was one of Denmark’s leading spokesmen for women’s rights.
1882 – He founded the first Danish peace society.
1883-1889 – His proposal was adopted in principle by several international organizations.
1884 – Participated in the European Peace Congress at Bern.
1889 – Attended the first meeting of the Interparliamentary Union held in Paris.
1890 – Proposed the creation of a permanent bureau.
1891 – The proposal was approved at the congress in Rome, and Bajer was named the first president of its governing board.
1907 – Bajer’s health deteriorated. He resigned from active office on the board of the Peace Bureau.
1908 – Nobel Prize in Peace.
1916 – He still kept informed on world events and, even while observing World War I.
1922 – He died on 22nd of January in Copenhagen.