January 30, 1948: 1948 Winter Olympics open in St. Moritz, Switzerland.
February 25, 1948: 1948 Czechoslovak coup d'état, where the communists took control of the nation.
April 3, 1948: Jeju Uprising – residents revolt on Jeju island, South Korea, eventually leading to the deaths of between 14,000 and 30,000.
May 14, 1948: The state of Israel is born.
June 3, 1948: The Palomar Observatory telescope is finished in California.
July 29, 1948: The 1948 Summer Olympics begin in London, the first since the 1936 Summer Olympics.
August 15, 1948: The southern half of Korea is established as South Korea.
September 9, 1948: The northern half of Korea is formally declared North Korea, with Kim Il-sung as prime minister.
October 10, 1948: R-1 missile becomes the first Soviet object to enter space.
November 12, 1948: In Tokyo, an international war crimes tribunal sentences seven Japanese military and government officials to death, including General Hideki Tojo, for their roles in World War II.
December 31, 1948: Arab–Israeli War: Israeli troops drive the Egyptians from Negev.
February 25, 1948: 1948 Czechoslovak coup d'état, where the communists took control of the nation.
April 3, 1948: Jeju Uprising – residents revolt on Jeju island, South Korea, eventually leading to the deaths of between 14,000 and 30,000.
May 14, 1948: The state of Israel is born.
June 3, 1948: The Palomar Observatory telescope is finished in California.
July 29, 1948: The 1948 Summer Olympics begin in London, the first since the 1936 Summer Olympics.
August 15, 1948: The southern half of Korea is established as South Korea.
September 9, 1948: The northern half of Korea is formally declared North Korea, with Kim Il-sung as prime minister.
October 10, 1948: R-1 missile becomes the first Soviet object to enter space.
November 12, 1948: In Tokyo, an international war crimes tribunal sentences seven Japanese military and government officials to death, including General Hideki Tojo, for their roles in World War II.
December 31, 1948: Arab–Israeli War: Israeli troops drive the Egyptians from Negev.