| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Day not set Stefan Klaskala + Private Marriage - April 1947 (40 year anniversary) | 131 March JózefPorbes Death - 31 March 1971 (16 year anniversary) Max Lieber Birth - 31 March 1900 (87 year anniversary) | 21 April | 32 April | 43 April Andrzej Ogrodnik Death - 3 April 1961 (26 year anniversary) | 54 April Aleksander Kochajkiewicz Birth - 4 April 1887 (100 year anniversary) | |
| 65 April | 76 April | 87 April Józef Rybak Birth - 7 April 1911 (76 year anniversary) | 98 April Anna Bratkowska Birth - 8 April 1869 (118 year anniversary) | 109 April | 1110 April Władysław Smoliński Birth - 10 April 1911 (76 year anniversary) | 1211 April Edward Szlaz Birth - 11 April 1920 (67 year anniversary) |
| 1312 April Franciszek Gałuszka Birth - 12 April 1930 (57 year anniversary) Józef Dec Birth - 12 April 1924 (63 year anniversary) | 1413 April Jadwiga Machowska Birth - 13 April 1950 (37 year anniversary) | 1514 April | 1615 April | 1716 April | 1817 April Anna Rybak Birth - 17 April 1905 (82 year anniversary) | 1918 April Anna Bratkowska Birth - 18 April 1871 (116 year anniversary) Zygmunt Porbes + Gertruda Kozłowska Marriage - 18 April 1946 (41 year anniversary) |
| 2019 April | 2120 April | 2221 April | 2322 April | 2423 April | 2524 April | 2625 April Leopold Grubin Birth - 25 April 1880 (107 year anniversary) |
| 2726 April John Szalatynski Sallan Birth - 26 April 1920 (67 year anniversary) | 2827 April | 2928 April Jozef Szalatynski + Katarzyna Stepczuk Marriage - 28 April 1913 (74 year anniversary) | 3029 April |
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