Ten United States presidents have made presidential visits to Eastern Europe and Northern Asia. The first trip by an incumbent president to Eastern Europe was made by Franklin D. Roosevelt in 1945, to the Soviet Union, and was an offshoot of Allied diplomatic interactions during World War II. The first trip by an incumbent president to Northern Asia was made by Gerald Ford in 1974, also to the Soviet Union, and was an offshoot of U.S.–Soviet Détente during the Cold War. The first presidential visits to other Eastern European countries occurred during this era of easing geo-political tensions as well.