Terracotta Army discovered
Farmers digging a well near Xi'an uncover thousands of terracotta warriors buried with Qin Shi Huang's mausoleum.
Farmers digging a well near Xi'an uncover thousands of terracotta warriors buried with Qin Shi Huang's mausoleum.
Chinese naval forces clash with the South Vietnamese navy and take control of all of the Paracel Islands.
A largely bloodless military coup in Lisbon overthrows the Estado Novo dictatorship, leading to democracy in Portugal and the independence of its African colonies.
Richard Nixon becomes the first US president to resign, facing likely impeachment over the Watergate scandal.
A conflict between North Vietnam and the Viet Cong on one side and South Vietnam, backed by the United States and its allies, on the other; it ends with the fall of Saigon in 1975.
Mao Zedong launches a decade-long political movement that brings social upheaval, persecution and the destruction of cultural heritage.
Arab oil producers impose an embargo on countries supporting Israel, causing world oil prices to soar.