Foundation Day (Norfolk Island), the founding of Norfolk Island in 1788.

Foundation Day is a designated date on which celebrations mark the founding of a nation, state or a creation of a military unit. This day is for countries that came into existence without the necessity of gaining independence. The term overlaps with national days.

March 6 is the 65th day of the year in the Gregorian calendar; 300 days remain until the end of the year.