Passage: Bayar was pardoned in 1966. Full political rights were restored to him in 1974, but he declined an invitation to become a life member of the Senate, on the grounds that one can represent the people only if elected. He died on 22 August 1986 in Istanbul at the age of 103 after a brief illness. From 24 April 1978, when former Paraguay President Federico Chávez died, until his own death Bayar was the world's oldest living former head of state.

Question: Bayar was restored his rights in what year?
1974