1666
Lua error in package.lua at line 80: module 'Module:Ancient Olympiads' not found. 1666 (MDCLXVI) was a common year starting on Friday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1666th year of the Common Era (CE) and Anno Domini (AD) designations, the 666th year of the 2nd millennium, the 66th year of the 17th century, and the 7th year of the 1660s decade. As of the start of 1666, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 16th century – 17th century – 18th century |
| Decades: | 1630s 1640s 1650s – 1660s – 1670s 1680s 1690s |
| Years: | 1663 1664 1665 – 1666 – 1667 1668 1669 |
Events
- September – The Great Fire of London destroys most of London.