In which decade did Mauno Koivisto first become Prime Minister?
1950s
1960s
1970s
1980s
Answer
The answer to the question, "In which decade did Mauno Koivisto first become Prime Minister?" is "the 1960s." This is because Koivisto first became Prime Minister of Finland in 1968. He would later go on to become the 10th President of Finland, serving from 1982 to 1994.
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