October

TypeMonth
TraditionInternational
BasisSolar
Introduced / dateRoman calendar
Key figure31 days

About October

October takes its name from octo, eight, its place in the early Roman year. It contains the most famous dates of calendar reform: 4 October 1582 was followed by 15 October in the first Gregorian countries. Russia's October Revolution happened in November by Gregorian reckoning.

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