Day of the Polish Underground State
Celebrated on 27 SeptemberDay of the Polish Underground State
Other holidays on 27 September
- Exaltation of the Honest and Life-Giving Cross of the Lord among the Orthodox
- Day of teachers and all preschool workers in Russia
- World Tourism Day
- Czech Beer Day
- Friendship Day
- Giving Day to the World
- Google search engine birthday
- Closing of Svarga (Vyriy) among the Slavs
- Mawlid an-Nabi - the birth of the Prophet Muhammad among Muslims
- Meskel (Feast of the Meskel Cross) in Ethiopia (Meskel)
- Statehood Day of the Republic of Sakha (Yakutia)
- According to the folk calendar - Exaltation
- Independence Day of Turkmenistan
- French Community Day in Belgium (Fete de la Communaute francaise)
- Tourism Day in Ukraine
- Feast of the Nineteenth Day of the Month of Mashiyyat in Bahá'ís
- National Chocolate Milk Day in the USA
- National Corned Beef Hash Day
- National Crush a Can Day in the USA
- National No Excuses Day in Canada
- Railwayman's Day in Slovakia
- Television Day in Mongolia
- Saint Vincent de Paul Feast Day in Madagascar
- Exaltation of the Honest and Life-Giving Cross of the Lord
- Feast of the Icon of the Mother of God of Lesninskaya
- Feast of the Icon of the Mother of God of Loretskaya