| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 | 2 | 3 Leonora Libcze Chargaff Death - 3 December 1920 (34 year anniversary) | 4 | |||
| 5 | 6 Daria Marczak Birth - 6 December 1926 (28 year anniversary) | 7 | 8 Ryszard WincentŚwiątnicki Birth - 8 December 1924 (30 year anniversary) | 9 | 10 | 11 Zbigniew Rybak Birth - 11 December 1937 (17 year anniversary) |
| 12 | 13 | 14 Isak Chargaff Birth - 14 December 1842 (112 year anniversary) | 15 | 16 Lewko Kowalczuk Birth - 16 December 1943 (11 year anniversary) | 17 Józef Jan Bohaczek Birth - 17 December 1950 (4 year anniversary) | 18 |
| 19 | 20 | 21 | 22 | 23 Natalia Stepczuk Birth - 23 December 1918 (36 year anniversary) | 24 | 25 Franciszek Tymecki + Private Marriage - 25 December 1951 (3 year anniversary) |
| 26 Józef Trocha + Anna Rybak Marriage - 26 December 1922 (32 year anniversary) | 27 Jakub Sagan Death - 27 December 1937 (17 year anniversary) | 28 Anna Szalatynski Birth - 28 December 1914 (40 year anniversary) | 29 Jan Bratkowski Birth - 29 December 1796 (158 year anniversary) | 30 | 31 |
