Cavendish Experiment (1798): Henry Cavendish Weighs the Earth
Cavendish found the mean density of the Earth to be about 5.48 times that of water, close to the modern value, the first accurate laboratory measurement of gravity between masses.
Every Chronicle article on world history, newest first: battles, empires, disasters, discoveries and revolutions.
Cavendish found the mean density of the Earth to be about 5.48 times that of water, close to the modern value, the first accurate laboratory measurement of gravity between masses.
Decisive Catholic victory; the Bohemian revolt collapsed, Frederick V fled and Bohemia was brought firmly under Habsburg and Catholic rule.
Drake completed the second circumnavigation of the world and the first by a captain who survived the whole voyage, returning with enormous Spanish treasure and receiving a knighthood.
185 people were killed, most in two collapsed office buildings; much of the central city was demolished and rebuilt over the following decade.
The Supreme Court held that the Fourteenth Amendment requires every state to license and recognise marriages between two people of the same sex.
Ingenuity made the first powered, controlled flight on another planet and went on to complete 72 flights before rotor damage ended its mission in January 2024.
The uprising brought the Palestinian question back to world attention, led the PLO to accept a two-state framework and helped open the way to the Madrid Conference and the Oslo Accords.
South Vietnam surrendered unconditionally, North Vietnamese forces took Saigon, and Vietnam was formally reunified under communist rule in July 1976.
Theodoric gave Italy three decades of stable Gothic-Roman rule, but his kingdom fell to Justinian's armies within thirty years of his death.
Shu won some territory and battles but failed to break Wei's hold on the north; Zhuge Liang died in camp in 234.
Augustus's official account of his career was inscribed in Rome and across the provinces; the copy at Ankara survives almost complete and is a key source for his reign.
The Archaic temple was destroyed by arson and replaced by an even grander Late Classical temple, counted among the Seven Wonders.