1858 Born on 21 December in Lviv, Ukraine
1875 Family Ohmann moved to Czernowitz, Ukraine
1877 Friedrich Ohmann graduates at secondary school in Czernowitz
1877 – 1882 Institute of Technology Vienna (Student of Heinrich v. Ferstel and Karl König)
1882 – 1883 Academy of Fine Arts in Vienna (Student of Friedrich v. Schmidt)
1883 – 1886 Supply teacher at the State Vocational School in Vienna
1885 – 1888 Assistant of Karl König at the Institute of Technology in Vienna
1888 – 1891 Teacher at the Vocational School of Fine Arts in Prague
1889 Married Amelie Isabella Schäffer on 6 January
1892 Appointed professor at the Vocational School of Fine Arts in Prague
1896 Assistant Professor at the Academy of Fine Arts in Prague
1897-1904 Regular member of the Union of Austrian Artists "Vienna Secession" 
1898 Artistic building manager of Hofburg in Vienna
1904 - 1923 Professor at the Academy of Fine Arts in Vienna
1909 Vice president of the Association of Austrian Architects
1918 Prize of the city of Vienna
1918 Honorary degree at the Institute of Technology in Munich
1919 Honorary degree at the Institute of Technology in Prague
1923 Honorary member oft he Academy of fine Arts in Vienna
1923 Honorary degree at the Institute of Technology in Graz
1927 Died on 6 April in Vienna