When was the first Led Zeppelin album released?
1969
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1965
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1967
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1960
1966
1968
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1969
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1967
1973
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1960
1966
1968
1970
1969
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1967
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1966
1968
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1967
1973
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1966
1975
1968
1970
1969
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1967
1973
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1966
1975
1968
1965
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1967
1973
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1966
1963
1975
1968
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1967
1973
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1966
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1975
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1966
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1975
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1966
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1975
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1965
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1966
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1975
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1965
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1973
1971
1972
1960