The next time will be in 2063. Then it happens every eleven years for a while, in 2074, 2085 and 2096, then again in 2131, 2142 and 2153.
i thought it was every 7 years, because there are 7 days in a week
A triennial event happens every three years.
every eleven years lol
Something that happens every six years is sexennial.
The Gregorian calendar repeats every eleven years not fourteen !
There are eleven years in eleven years.
Something that happens every three years is a triennialevent.
Something that happens once a century.
As far as I know, nothing special happens every 100,000 years. A full precession cycle takes about 26,000 years.
Quinquennial = something that happens every 5 years. Lustral = also something that happens every 5 years or we could invent: semi-Decennial: where semi is half and Deccennial happens every 10 years.
It happens every 200 years.