Category:20th century in Poland by city 15th16th17th18th19th20th21st22nd23rd24th25th Subcategories This category has the following 7 subcategories, out of 7 total. - Poland in World War II by city (18 C)G 20th century in Gdańsk (2 C, 7 P)K 20th century in Katowice (1 C, 8 P) 20th century in Kraków (1 C, 6 P)L 20th century in Łódź (1 C, 7 P)P 20th century in Poznań (1 C, 3 P)W 20th century in Warsaw (8 C, 6 P)
