International holidays - Global Engineering Day (IEEE Global Engineering Day)
Celebrated on 13 MayInternational holidays - Global Engineering Day (IEEE Global Engineering Day)
Other holidays on 13 May
- Russian Holidays - Day of the Black Sea Fleet of the Russian Navy
- Russian Holidays - Escort Day (Day of the Security and Escort Service of the Ministry of Internal Affairs of the Russian Federation)
- Funny Holidays - World Dandelion Day
- International holidays - World Cocktail Day
- Fun Holidays - Velcro Birthday
- International holidays - International Hummus Day
- According to the folk calendar - Yakov Teply
- Day of Remembrance of the Fallen in Israel's Wars (Yom HaZikaron)
- Day of Saint Ignatius Brianchaninov
- Memorial Day of the Holy Apostle James Zebedee