First Sunday of Advent
Many Christians in the United States observe the first Sunday of Advent, which marks the start of the Christian year.
Elsewhere on timeanddate.com
St Nicholas Day
Some churches in the United States recognize St Nicholas' Day as a feast day.
Pearl Harbor Remembrance Day
National Pearl Harbor Remembrance Day remembers those who died or were injured when Pearl Harbor, in Hawaii, was attacked in 1941.
Feast of the Immaculate Conception
The Feast of the Immaculate Conception is a Christian observance on December 8 each year.