Both Best Picture and Best Foreign Film. * = best overall that year. / = tie. "by default" = not really good enough, but nothing better to pick. Some years i couldn't muster up enough enthusiasm for any.

1928 Sunrise*. The Passion of Joan of Arc.
1929 Blackmail (by default). Man with a Movie Camera*
1930 All Quiet on the Western Front*. Earth
1931 City Lights*. Madchen in Uniform
1932 Love me Tonight. Boudu Saved from Drowning*
1933 King Kong/ Duck Soup. The Mascot (weak foreign year).
1934 It Happened one Night/ The Scarlet Empress. L'Atalante*
1935 Top Hat*. -
1936 Swing Time. Partie de Campagne*
1937 The Awful Truth (by default). La Grande Illusion*
1938 Bringing up Baby. Alexander Nevsky*
1939 Gone with the Wind/The Wizard of Oz. (overrated Hollywood year) La Regle du Jeu*/ Story of the Late Chrysanthemums*
1940 The Thief of Bagdad*. -
1941 Citizen Kane*. The Loyal 47 Ronin
1942 To Be or Not to Be*. -
1943 Casablanca*. Day of Wrath
1944 Double Indemnity. Ivan the Terrible
1945 -. Les Enfants du Paradis*
1946 The Big Sleep/ It's a Wonderful Life. Ivan the Terrible 2/ La Belle et la Bete
1947 Black Narcissus* -
1948 Letter from an Unknown Woman* -
1949 Kind Hearts and Coronets/ The Third Man. Late Spring*
1950 Sunset Boulevard. Orphée*
1951 The Lavender Hill Mob (by default)- . Miss Oyu*
1952 Singin in the Rain*. The Life of Oharu
1953 The Band Wagon. Tokyo Story (hon mention Ugetsu)
1954 Rear Window. Sansho the Bailiff* (hon mention Seven Samurai)
1955 Night of the Hunter. Pather Panchali/ Tales of the Taira Clan
1956 The Searchers*. A Man Escaped
1957 Paths of Glory. Aparajito
1958 Vertigo*. Hidden Fortress
1959 North by Northwest*/ Some Like it Hot*. Hiroshima mon Amour
1960 The Apartment*. L'Avventura/ Cloud-Capped Star
1961 El Cid*. The Human Condition
1962 Lawrence of Arabia*. Ivan's Childhood (by default)
1963 The Great Escape. 8 1/2* (hon mention The Leopard)
1964 Dr Strangelove*. The Gospel according to St Matthew
1965 Doctor Zhivago (by default). Pierrot le Fou*
1966 -. Persona*
1967 Bonnie and Clyde/ The Graduate. Mouchette.
1968 2001: A Space Odyssey*. The Colour of Pomegranates
1969 The Wild Bunch. Andrei Rublev*
1970 Five Easy Pieces. Claire's Knee*
1971 The French Collection/ Klute. Pakeezah*
1972 The Godfather/ Deliverance. Aguirre Wrath of God*
1973 Badlands. Spirit of the Beehive*
1974 The Godfather 2/ Chinatown. Alice in the Cities* (hon mention Celine and Julie go Boating)
1975 Barry Lyndon. Mirror*
1976 The Outlaw Josey Wales. Kings of the Road*
1977 - . Suspiria (by default- very weak year)
1978 The Deer Hunter*. The Marriage of Maria Braun
1979 Apocalypse Now* (hon mention Manhattan). Stalker
1980 The Shining/ Raging Bull. - 
1981 Raiders of the Lost Ark. The Night of the Shooting Stars*
1982 The Draughtsman's Contract. Fanny and Alexander*
1983 Local Hero. Sans Soleil/ Nostlaghia (weak year all round)
1984 Paris Texas* (hon mention Once Upon a Time in America). Sunday in the Country
1985 Brazil*. Come and See
1986 Blue Velvet. The Green Ray*
1987 The Untouchables/ Hope and Glory. Red Sorghum/ My Girlfriend's Boyfriend
1988 - . Dekalog*
1989 - . Cinema Paradiso/ City of Sadness (weak year)
1990 Miller's Crossing/ The Sheltering Sky/ Goodfellas (difficult choice). Close Up
1991 The Silence of the Lambs. The Double Life of Veronique*
1992 Unforgiven (weak year). And Life Goes On*
1993 The Age of Innocence/ Schindler's List. Abraham Valley*
1994 Pulp Fiction. Chungking Express
1995 Toy Story (by default). Maborosi* (hon mention Ulysses' Gaze)
1996 The English Patient. Cyclo (by default)
1997 - . The Eel (by default)
1998 The Thin Red Line. Eternity and a Day*
1999 - . Rosetta*
2000 The Claim (by default). Crouching Tiger Hidden Dragon*.
2001 Mulholland Drive*. Spirited Away
2002 Far from Heaven. Japon