| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 12 Dec | 23 Dec Leonora Libcze Chargaff Death - 3 December 1920 (39 year anniversary) | 34 Dec | 45 Dec | |||
| 56 Dec Daria Marczak Birth - 6 December 1926 (33 year anniversary) | 67 Dec | 78 Dec Ryszard WincentŚwiątnicki Birth - 8 December 1924 (35 year anniversary) | 89 Dec | 910 Dec | 1011 Dec Zbigniew Rybak Birth - 11 December 1937 (22 year anniversary) | 1112 Dec |
| 1213 Dec | 1314 Dec Isak Chargaff Birth - 14 December 1842 (117 year anniversary) | 1415 Dec | 1516 Dec Lewko Kowalczuk Birth - 16 December 1943 (16 year anniversary) | 1617 Dec Józef Jan Bohaczek Birth - 17 December 1950 (9 year anniversary) | 1718 Dec | 1819 Dec |
| 1920 Dec | 2021 Dec | 2122 Dec | 2223 Dec Natalia Stepczuk Birth - 23 December 1918 (41 year anniversary) | 2324 Dec | 2425 Dec Franciszek Gałuszka + Private Marriage - 25 December 1955 (4 year anniversary) Franciszek Tymecki + Private Marriage - 25 December 1951 (8 year anniversary) | 2526 Dec Józef Trocha + Anna Rybak Marriage - 26 December 1922 (37 year anniversary) |
| 2627 Dec Jakub Sagan Death - 27 December 1937 (22 year anniversary) | 2728 Dec Anna Szalatynski Birth - 28 December 1914 (45 year anniversary) | 2829 Dec Jan Bratkowski Birth - 29 December 1796 (163 year anniversary) | 2930 Dec |
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