Holidays on April 26
- World Twin Cities Day
- Akhal-Teke Horse Day in Turkmenistan
- Notaries' Day in Russia
- Border Guard Day in Armenia
- Hung Kings Commemoration Day
- Cost Estimators' Day in Russia
- Radiation Disaster Responders and Victims Remembrance Day
- World Intellectual Property Day
- International Chernobyl Disaster Remembrance Day
- Alien Day