Calendar Categories APCO International Charity Conferences Holidays Monthly Meetings Tabletop Training Agenda Agenda Month December 2022 Dec 2022 Collapse All Expand All Dec 25 Sun 2022 Christmas Day @ USA Tickets Dec 25 all-day Christmas celebrates the Nativity of Jesus which according to tradition took place on December 25th 1 BC Information provided by www.officeholidays.com Dec 26 Mon 2022 Christmas Day (in lieu) @ USA Tickets Dec 26 all-day As Christmas Day falls on a Sunday in 2022, the following Monday will be a public holiday. Information provided by www.officeholidays.com December 2022 Dec 2022