News of this year

OPEC ends the oil embargo begun in 1973 during the Yom Kippur War (Mar. 18). 

Nixon and Brezhnev meet in Moscow to discuss arms limitation agreements. Background: nuclear disarmament  Leftist revolution ends almost 50 years of dictatorial rule in Portugal (launched Apr. 25). 

India successfully tests an atomic device, becoming the world's sixth nuclear power (May 18).  

Emperor Haile Selassie of Ethiopia is deposed. A collective military dictatorship assumes power (Sept. 12).