holidays
International Mountain Day
Related Wikipedia articles
Mountain Day
Name for various local and national holidays
Mountain Day refers to three different and unrelated events: (1) Mountain Day, a student celebration in some colleges in the United States in which classes are cancelled without prior notice, and the student body heads to the mountains or a park, (2) International Mountain Day,…Source: Wikipedia (CC BY-SA)
December 11
Day of the year
December 11 is the 345th day of the year in the Gregorian calendar; 20 days remain until the end of the year.Source: Wikipedia (CC BY-SA)