1945 At the Yalta Conference, President Roosevelt, British Prime Minister Winston Churchill, and Secretary General of the Communist Party in the USSR Joseph Stalin discuss the postwar political situation.
1946 The first fully electronic digital computer, called ENIAC (Electronic Numerical Integrator and Computer), is introduced by engineers at the University of Pennsylvania. 1946 Political power in Japan is transferred from the emperor to an elected assembly.
1946 The apartheid system is introduced in South Africa.
The National Insurance Act of 1946 (Great Britain)
National Security Act of 1947 (United States)
1947 American athlete Jackie Robinson joins the Brooklyn Dodgers, breaking the color barrier in major league baseball.
1948 Indian nationalist leader Mohandas Gandhi is assassinated.
1948 The state of Israel is proclaimed.
Arab-Israeli War of 1948-1949
1949 The People's Republic of China is proclaimed.
Chemistry Nobel Prize Winners
1946 James B. Sumner (United States); John H. Northrop (United States); Wendell M. Stanley (United States)
1947 Sir Robert Robinson (United Kingdom)
1948 Arne V. K. Tiselius (Sweden)
1949 William F. Giauque (United States)
Literature Nobel Prize Winners
1946 Hermann Hesse (Switzerland)
1947 André Gide (France)
1948 T(homas) S(tearns) Eliot (United Kingdom)
1949 William Faulkner (United States)
Peace Nobel Prize Winners
1945 Cordell Hull (United States)
1946 Emily G. Balch (United States); John R. Mott (United States)
1947 Friends Service Council (United Kingdom); American Friends Service Committee (United States)
1948 Not awarded
1949 John Boyd Orr (United Kingdom)
Physics Nobel Prize Winners
1945 Wolfgang Pauli (United States)
1946 Percy W. Bridgman (United States)
1947 Sir Edward V. Appleton (United Kingdom)
1948 Patrick M. S. Blackett (United Kingdom)
1949 Yukawa Hideki (Japan)
Physiology or Medicine Nobel Prize Winners
1945 Sir Alexander Fleming (United Kingdom); Ernst Boris Chain (United Kingdom); Sir Howard W. Florey (United Kingdom)
1946 Hermann J. Muller (United States)
1947 Carl F. Cori (United States); Gerty Theresa R. Cori (United States); Bernardo A. Houssay (Argentina)
1948 Paul Müller (Switzerland)
1949 Antonio Egas Moniz (Portugal); Walter R. Hess (Switzerland)
1947-> The Cold War starts and Communists seize power in a number of Eastern-European countries in the following years
1949-> George Orwell publishes his novel Nineteen Eighty-Four.
the Atomic Bomb was sucessfully "tested"
World War II (1939–1945)
1948 - Establishment of the State of Israel.
1949 - The People's Republic of China is officially proclaimed.
the first nuke