When was Iron Maiden formed?
1975
1980
1980
1980
1980
1980
1980
1980
1980
1980
1975
1980
1975
21st century
1980
1975
1980
21st century
1975
1980
1975
1980
21st century
1979
1975
1980
1979
1975
21st century
1980
1973
1979
1982
1977
1975
1980
1973
21st century
1979
1982
1977
1975
1976
1980
1973
1979
1982
1977
1975
1976
1978
21st century
1980
1973
1979
1982
1977
1975
1976
1978
1980
1973
7 April 1980
1979
21st century
1982
1977
1975
15 April 1980
1976
1974
1978
1973
1981
1979
1982
1977
1975
1976
1974
1978
1973
1981
1979
1982
1977
1975
1976
1974
1978
7 April 1980
1973
1981
15 April 1980
1979
21st Century
1982
1977
1975
1976
1974
1978
1973
1981
1979
1982
1977
1975
1976
1974
1978
7th century
1973
21st Century
1983
1981
7 April 1980
1979
1982
1977
1975
1976
1974
1978
7 January 1980
1973
1983
1981
21 June 1980
21 April 1980
1979
21 March 1980
7th century
15 March 1980
1984
1982
1977
1975
21st Century
1985
1976
1974
1972
1978
1973
1983
1981
1979
1984
1982
1977
1975
1985
1976
1974
1972
1978
7th April 1980
7th century
1973
1983
1981
1874
21st Century
1979
1984
1982
1882
1977
1975
1985
7 years ago
1881
1976
1974
1972
1978
1970
7 January 1980
1973
1983
1981
31 December 1975
21 June 1980
7 April 1980
1979
21 March 1980
7th century
1874
21st Century
1882
21 April 1980
1881
7 years ago
31 December 1973
7th April 1980
14–1974
1874
14-1974
31 December 1972
31 December 1975