From 1973 to 1976 Byrne was the
United States Ambassador to the Kingdom of Norway. He presented his
credentials as an Ambassador to
King Olav V of Norway on October 4, 1973, and served in office in
Oslo until April 10, 1976. After the stationing in Norway, he moved to
Prague where he was the United States Ambassador to the
Czechoslovak Socialist Republic from June 1976 until November 1978. == References ==