Centuries: 1st century BC - 1st century - 2nd century

Decades: 0s BC - 0s - 10s - 20s - 30s - 40s - 50s - 60s - 70s - 80s - 90s - 100s

Years: 80 81 82 83 84 85 86 87 88 89 90

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Events

• Dacians under Decebalus engaged in two wars against the Romans from this year to AD 89.
• Baekje invades outskirts of Silla in Korean peninsula. The War continues till the peace treaty of 105.

Births

• Ptolemy, Greek astronomer. (approximate date)

Deaths