April 2, 2026
- International dayWorld Autism Awareness Day
EVENTS & OBSERVANCES · UNITED STATES & INTERNATIONAL
1960–2030Explore the archive
April 2026 observances.
Holidays, cultural dates and regional observances — with international days, too. Explore each date and its sources.
April 3, 2026
- U.S. observanceGood Friday
- State holidayState Holiday
April 4, 2026
- International dayInternational Day for Mine Awareness and Assistance in Mine Action
April 5, 2026
- U.S. observanceEaster Sunday
- International dayInternational Day of Conscience
April 6, 2026
- International dayInternational Day of Sport for Development and Peace
April 7, 2026
- International dayInternational Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda
- International dayWorld Health Day
April 12, 2026
- International dayInternational Day of Human Space Flight
April 14, 2026
- International dayWorld Chagas Disease Day
April 15, 2026
- International dayInternational Wellness Day
April 16, 2026
- State holidayEmancipation Day
April 20, 2026
- International dayChinese Language Day
- State holidayPatriots' Day
April 21, 2026
- International dayWorld Creativity and Innovation Day
- State holidaySan Jacinto Day
April 22, 2026
- International dayInternational Day of Greening the Planet
- International dayInternational Mother Earth Day
April 23, 2026
- International dayEnglish Language Day
- International dayInternational Girls in ICT Day
- International daySpanish Language Day
- International dayWorld Book and Copyright Day
April 24, 2026
- International dayInternational Day of Multilateralism and Diplomacy for Peace
- State holidayArbor Day
- International weekWorld Immunization Week
April 25, 2026
- International dayInternational Delegate’s Day
- International dayWorld Malaria Day
- International weekWorld Immunization Week
April 26, 2026
- International dayInternational Chernobyl Disaster Remembrance Day
- International dayWorld Intellectual Property Day
- International weekWorld Immunization Week
April 27, 2026
- State holidayConfederate Memorial Day
- International weekWorld Immunization Week
April 28, 2026
- International dayWorld Day for Safety and Health at Work
- International weekWorld Immunization Week
April 29, 2026
- International dayInternational Day in Memory of the Victims of Earthquakes
- International weekWorld Immunization Week
April 30, 2026
- International dayInternational Jazz Day
- International weekWorld Immunization Week
Calendar sources: OPM, US holiday calendar, United Nations. Regional and observed dates are labelled on each entry.