600

Events 
 The population of the Earth rises to about 208 million people.
 Smallpox arrives in Europe for the first time.
 King Ingvar of Sweden invades Estonia but is killed by the locals.
 Juchau Anglo-Saxon tribesmen arrive in England.
 The Persians begin to use windmills for irrigation.
 Chaturanga is played in India.
 Loma Caldera in El Salvador erupts.
 The Hopewell culture of North America becomes less popular.
 The Aztec city of Teotihuacán begins to get unstable.
 The moldboard plow is invented in eastern Europe.
 Pope Gregory I writes what comes to be known as Gregorian chant.
 The building on the monastery of St. Catherine is begun on Mount Sinai.
 Irish missionaries pray in Scotland and Germany.
 Chinese-influenced sculptures of Buddha begin to be created in Japan.
 Sumatra, Java, and the surrounding islands are changed to believe inBuddhism.
 Augustine of Canterbury changes Ethelbert of Kent's religion to Christianity (approximate date).
 Nubian rulers become Christian (approximate date).

 Births 
 Ali Ben Abu Talib, the fourth caliph of Islam
 Candrakirti, Indian Madhyamaka philosopher

 Deaths 
 Venance Fortunat, bishop of Poitiers, one of the last representatives of Classical Latin poetry
 King Beop of Baekje, king of the Baekje Kingdom of Korea
 Yang Jun