For other uses, see One (disambiguation), for the number, see Number 1.

Events

• The first full year in the life of Jesus as assigned by Dionysius Exiguus in his Anno Domini era.
• Start of the Yuanshi era of the Chinese Han Dynasty.
• Confucius is given his first royal title (posthumous name) of Lord Baochengxun Ni.
• Silk appears in Rome.
• The poem Metamorphoses is written.
• Buddhism is introduced into China.
• Emperor Ping of Han China's reign begins.
• Axum (Ethiopia) is founded (approximate date).
• Moxos ceases to be a significant religious area in South America (approximate date).

Births

Deaths

World Leaders

• Areius Paianieus becomes Archon of Athens (AD 1-2)
• Caesar Augustus, Roman Emperor
• List of state leaders in the year 1