The Pope did not cite the government by name, but in his address in Havana, he urged Cuban authorities to let the church more freely preach its message and educate its young in the faith in schools and universities.
The remarks came before Benedict's eagerly anticipated meeting with Fidel Castro.
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Ex-Spitfire pilot Allan Scott, 94, said he was told off by the Queen when he first met her in 1943 when she was just 16.
Last minute preparations are going on at the Church of St Mary Magdalene where Princess Charlotte will be christened.
Princess Charlotte is being christened on Sunday at Sandringham in Norfolk in only her second public appearance since she was born.