- International weekWorld Interfaith Harmony Week
- U.S. observanceGroundhog Day
- International dayWorld Wetlands Day
- International weekWorld Interfaith Harmony Week
- International weekWorld Interfaith Harmony Week
- International dayInternational Day of Human Fraternity
- International weekWorld Interfaith Harmony Week
- International weekWorld Interfaith Harmony Week
- International dayInternational Day of Zero Tolerance to Female Genital Mutilation
- International weekWorld Interfaith Harmony Week
- International weekWorld Interfaith Harmony Week
- International dayInternational Day of the Arabian Leopard
- International dayWorld Pulses Day
- International dayInternational Day of Women and Girls in Science
- International dayInternational Day for the Prevention of Violent Extremism as and when Conducive to Terrorism
- State holidayLincoln's Birthday
- International dayWorld Radio Day
- State holidayMardi Gras
- U.S. observanceValentine's Day
- State holidaySusan B. Anthony Day
- International dayGlobal Tourism Resilience Day
- U.S. federal holidayWashington's Birthday
- State holidayGeorge Washington & Thomas Jefferson's Birthday
- State holidayGeorge Washington Day
- State holidayGeorge Washington's Birthday and Daisy Gatson Bates Day
- State holidayLincoln's and Washington's Birthdays
- State holidayLincoln/Washington Presidents' Day
- State holidayPresident's Day
- State holidayPresidents' Day
- State holidayWashington and Lincoln Day
- State holidayWashington's and Lincoln's Birthday
- State holidayWashington-Lincoln Day
- International dayWorld Day of Social Justice
- International dayInternational Mother Language Day
Calendar sources: OPM, US holiday calendar, United Nations. Regional and observed dates are labelled on each entry.