[1] After receiving a degree in law, Oppenheim was elected to the Copenhagen City Council, serving from 1982 until 1984 as a member of the Conservative People's Party.
[5] After protests in Denmark erupted following American president Ronald Reagan's statement that the United States would begin producing neutron bombs, Oppenheim and other conservative politicians led a counter-protest, in which she and 24 others travelled to Moscow to protest the Soviet Union's placement of nuclear weapons on the Kola Peninsula and in submarines in the Baltic Sea.
[1] In the 1994 Danish general election, Oppenheim ran for the Folketing, standing in the Bispeengkredsen [da].
[8] The following year, the Copenhagen City Council negotiated a compromise between the housing cooperative and the Nørrebro district council; the compromise scrapped the plans to build over the park, but stipulated that the housing project would still be constructed elsewhere in the district.
[10] As of 2019, Oppenheim is an executive member of the Public Information Association (Folkeligt Oplysningsforbund [da]), serving as chairman of speech at the Danish language school in Hovedstaden.