Every Chronicle article on world history, newest first: battles, empires, disasters, discoveries and revolutions.
The offensive was beaten back with very heavy communist losses, but it shattered American confidence, led Johnson to limit the bombing and not seek re-election, and opened the way to peace talks.
Three Roman legions with their auxiliaries were annihilated; Rome gave up plans for a province between the Rhine and the Elbe.
A portable jade ornament that preserves one of the earliest Long Count dates from the Maya lowlands and an early image of Maya kingship.
Excavation of the largely intact tomb produced more than 10,000 objects, including gold, around ten tonnes of bronze coins and thousands of bamboo slips.
Faxian brought Buddhist monastic rules and scriptures back to China and wrote the earliest surviving first-hand Chinese account of India.
Caesar won battles and imposed hostages and tribute but left no garrison; Britain was not conquered until the Roman invasion of AD 43.
A uniquely shaped Ionic temple was completed on the Acropolis; its six Caryatid columns became one of the most copied motifs in Western architecture.
Seti I re-established Egyptian power in the Levant and left some of the finest monuments of the New Kingdom, passing a strong state to his son Ramesses II.
Cyrus defeated Astyages and took over the Median kingdom, creating the core of the Achaemenid Persian Empire.
Glossopteris fossils on all the southern continents became one of the strongest early arguments that they had once formed a single landmass.
Allied defeat: of about 6,000 troops landed or embarked, more than half were killed, wounded or captured, most of them Canadians.
Decisive British Empire victory; the Ottoman Seventh and Eighth Armies were destroyed and Damascus fell on 1 October.
