- International dayGlobal Day of Parents
- State holidayJefferson Davis Birthday
- International dayWorld Bicycle Day
- International dayInternational Day of Innocent Children Victims of Aggression
- International dayInternational Day for the Fight against Illegal, Unreported and Unregulated Fishing
- International dayWorld Environment Day
- International dayRussian Language Day
- International dayWorld Food Safety Day
- International dayWorld Oceans Day
- International dayInternational Day for Dialogue among Civilizations
- International dayInternational Day of Play
- State holidayKamehameha Day
- International dayWorld Day Against Child Labour
- International dayInternational Albinism Awareness Day
- International dayWorld Blood Donor Day
- International dayWorld Elder Abuse Awareness Day
- International dayInternational Day of Family Remittances
- International dayWorld Day to Combat Desertification and Drought
- International dayInternational Day for Countering Hate Speech
- International daySustainable Gastronomy Day
- U.S. federal holidayJuneteenth National Independence Day
- International dayInternational Day for the Elimination of Sexual Violence in Conflict
- State holidayEmancipation Day In Texas
- State holidayWest Virginia Day (observed)
- International dayWorld Refugee Day
- State holidayWest Virginia Day
- U.S. observanceFather's Day
- International dayInternational Day of Yoga
- International dayInternational Day of the Celebration of the Solstice
- International dayInternational Widows' Day
- International dayUnited Nations Public Service Day
- International dayInternational Day of Women in Diplomacy
- International dayDay of the Seafarer
- International dayInternational Day against Drug Abuse and Illicit Trafficking
- International dayUnited Nations International Day in Support of Victims of Torture
- International dayInternational Day of Deafblindness
- International dayMicro-, Small and Medium-sized Enterprises Day
- International dayInternational Day of the Tropics
- International dayInternational Asteroid Day
- International dayInternational Day of Parliamentarism
Calendar sources: OPM, US holiday calendar, United Nations. Regional and observed dates are labelled on each entry.