80

Millennium:	1st millennium
Centuries:	1st century BC – 1st century – 2nd century
Decades:	50s 60s 70s – 80s – 90s 100s 110s
Years:	77 78 79 – 80 – 81 82 83

80 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments

Year 80 (LXXX) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.

Events

Emperor Titus inaugurates the Colosseum with 100 days of games.
The earliest stage of Lullingstone Roman villa is built.
The Roman occupation of Britain reaches the River Tyne–Solway Firth frontier area. Gnaeus Julius Agricola creates a fleet for conquest of Caledonia, he finally proves that Britannia is an island.
Legio II Adiutrix is stationed at Lindum Colonia (modern Lincoln). The city is an important settlement for retired Roman legionaries.
The original Roman Pantheon is destroyed in a fire, together with many other buildings.
The Eifel Aqueduct is constructed to bring water 95 km (60 miles) from the Eifel region to Colonia Claudia Ara Agrippinensum (modern Cologne).
The first African enters the Roman Senate.

Aeolipile