holidays
Polish Underground State's Day (Poland)
Related Wikipedia articles
Public holidays in Poland
Holidays in Poland are regulated by the Non-working Days Act of 18 January 1951. The Act, as amended in 2010, currently defines thirteen public holidays.Source: Wikipedia (CC BY-SA)
September 27
Day of the year
September 27 is the 270th day of the year in the Gregorian calendar; 95 days remain until the end of the year.Source: Wikipedia (CC BY-SA)