Lithuanian holidays - Kaunas City Day
Celebrated on 20 MayLithuanian holidays - Kaunas City Day
Other holidays on 20 May
- International holidays - World Metrology Day
- Russian Holidays - Volga Day
- International holidays - World Traumatologist Day
- Funny Holidays - Jeans Birthday
- UN Holidays - World Bee Day
- Fun Holidays - Spill Festival
- European Maritime Day
- Cameroon Holidays - Unitary State Day (National Day)
- Holidays of Ukraine - Day of Bank Workers
- Holidays of Ukraine - Day of Sign Language Interpreter
- According to the folk calendar - Bathing suit
- Queen Victoria Day in Canada
- Feast of the Zhirovitsk Icon of the Mother of God
- Feast of the Lyubech Icon of the Mother of God
- Memorial Day of St. John of Zedazni and his 12 disciples
- Feast of the miraculous appearance of the Holy Cross in the sky in Jerusalem
- Memorial Day of St. Nil of Sorsky
- Memorial Day of St. Jesse of Tsilkansky
- Memorial Day of the Holy Martyr Akakios