National holidays

April 8 Easter Sunday
April 9 Easter Monday
May 1 Labour Day
May 3 Constitution Day (May 3, 1791)
May 27 Pentecost Sunday
June 7 Corpus Christi
August 15 Assumption of the Blessed Virgin Mary, also Polish Army Day
November 1 All Saints' Day
November 11 Independence Day (Nov 11, 1918)
December 25 First Day of Christmas
December 26 Second Day of Christmas
January 1, 2013 New Year's Day
January 6, 2013 Three Kings