- U.S. federal holidayNew Year's Day
- International dayWorld Braille Day
- U.S. federal holidayMartin Luther King Jr. Day
- State holidayDr. Martin Luther King Jr. / Civil Rights Day
- State holidayDr. Martin Luther King Jr. and Robert E. Lee's Birthdays
- State holidayMartin Luther King Jr. / Idaho Human Rights Day
- State holidayMartin Luther King Jr.'s Birthday
- State holidayMartin Luther King, Jr & Robert E. Lee's Birthday
- State holidayConfederate Memorial Day
- State holidayInauguration Day
- International dayInternational Day of Education
- International dayInternational Day of Clean Energy
- International dayInternational Day of Commemoration in Memory of the Victims of the Holocaust
- International dayInternational Day of Peaceful Coexistence
Calendar sources: OPM, US holiday calendar, United Nations. Regional and observed dates are labelled on each entry.