Sweden’s Dag Hammarskjöld elected U.N. head

After a long winter, the Lewis and Clark expedition departs its camp among the Mandan tribe and resumes its journey West. The Corps of Discovery had begun its voyage the previous spring, and it arrived at the large Mandan and Minnetaree villages along the upper Missouri River (north of present-day Bismarck, North Dakota) in late […]

On April 7, 1945, the Japanese battleship Yamato, one of the greatest battleships of its time, is sunk in Japan’s first major counteroffensive in the struggle for Okinawa. Weighing 72,800 tons and outfitted with nine 18.1-inch guns, the battleship Yamato was Japan’s only hope of destroying the Allied fleet off the coast of Okinawa. But […]

President Harry S. Truman receives National Security Council Paper Number 68 (NSC-68). The report was a group effort, created with input from the Defense Department, the State Department, the CIA, and other interested agencies; NSC-68 formed the basis for America’s Cold War policy for the next two decades. In the face of U.S. foreign policy […]

On April 7, 1961, President John F. Kennedy sends a letter to Congress in which he recommends the U.S. participate in an international campaign to preserve ancient temples and historic monuments in the Nile Valley of Egypt. The campaign, initiated by UNESCO, was designed to save sites threatened by the construction of the Aswan High […]

On April 7, 1970, the legendary actor John Wayne wins his first—and only—acting Academy Award, for his star turn in the director Henry Hathaway’s Western True Grit. Wayne appeared in some 150 movies over the course of his long and storied career. He established his tough, rugged, uniquely American screen persona most vividly in the […]

Anti-Tutsi Rwandan President Habyarimana is killed when his plane was shot down. The Rwandan Genocide begins: the massacre of an estimated 500,000 to 1 million innocent civilian Tutsis and moderate Hutus.