1918 July 3: Migratory Bird Treaty Act (MBTA)
1936 Addition of spotted owl as a protected migratory bird
Early 1970s First Development of guidelines for spotted owl protection
1973 Endangered Species Act (ESA)
1976 National Forest Managment Act
1978 Amendments to ESA with an exemption process
1979 Snail darter exemption case
1979 Whooping crane exemption case
1982 Amendment to ESA with addition of the word "solely"
1984 Final Environmental Impact Statement (FEIS) is published
1986 Draft Supplement to the FEIS is published (SEIS)
1986 Newspaper articles and events
1987 Newspaper articles and events
1988 Final Supplement to the FEIS is published
1988 Newspaper articles and events
1989 FWS proposal to list spotted owl as Threatened under ESA
1989 Newspaper articles and events
1990 Inter-agency Scientific Committee (ISC) Report is published
1990 June: FWS officially lists spotted owl as Threatened
1990 Newspaper articles and events
1991 Judge Dwyer decisions