What year was the Palestine Liberation Organization founded?
1964
1968
1968
1968
1968
1968
1967
1968
1967
1968
1967
1968
1967
1964
1968
1967
1964
1968
1967
1964
1968
1967
1964
1968
1967
1964
1968
1967
1964
1969
1968
1967
1964
1969
1968
1967
1964
1969
1968
1967
1964
1969
1968
1967
1976
1964
1969
1968
1967
1976
1964
1969
1966
1968
1967
1976
1964
1969
1973
1971
1965
1956
1966
1968
1967
1976
1964
1969
1973
1971
1965
1956
1966
1963
1967
1976
1964
1969
1973
1971
1965
1956
1966
1963
1967
1970
1976
1964
1969
1973
1971
1965
1956
1966
1963
1967
1970
1976
1948
1964
1969
1973
1971
1965
1956
1974
1966
1963
1967
1970
1976
1948
1964
1969
1973
1971
1965
1956
1974
1966
1972
1963
1960
1970
1976
1948
1964
1975
1969
1973
1971
1965
1956
1974
1966
1972
1963
1960
1977
1970
1976
1948
1964
1975
1969
1973
1971
1965
1956
1974
1966
1972
1963
1958
1960
1977
1970
1976
1948
1964
1975
1969
1973
1971
1965
1956
1974
1966
1972
1963
1958
1960
1977
1970
1976
1948
1975
1969
1973
1971
1965
1956
1974
1966
1972
1963
1958
1960
1977
1970
1976
1948
1975
1969
1973
1971
1965
1956
1974
1966
1972