| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 113 Dec | 214 Dec Isak Chargaff Birth - 14 December 1842 (173 year anniversary) | 315 Dec | 416 Dec Lewko Kowalczuk Birth - 16 December 1943 (72 year anniversary) | 517 Dec Józef Jan Bohaczek Birth - 17 December 1950 (65 year anniversary) | 618 Dec | 719 Dec Antoni Biernat Death - 19 December 1994 (21 year anniversary) |
| 820 Dec | 921 Dec Eugeniusz Kubik Death - 21 December 1992 (23 year anniversary) | 1022 Dec | 1123 Dec | 1224 Dec | 1325 Dec | 1426 Dec Marian Trocha Death - 26 December 2007 (8 year anniversary) |
| 1527 Dec Jakub Sagan Death - 27 December 1937 (78 year anniversary) | 1628 Dec Zygmunt Porbes Death - 28 December 1989 (26 year anniversary) | 1729 Dec Jan Bratkowski Birth - 29 December 1796 (219 year anniversary) | 1830 Dec | 1931 Dec | 201 Jan | 212 Jan Kazimierz Józef Rybak Birth - 2 January 1934 (82 year anniversary) Zygmunt Porbes Birth - 2 January 1915 (101 year anniversary) Józef FranciszekBohaczek Birth - 2 January 1900 (116 year anniversary) |
| 223 Jan | 234 Jan | 245 Jan | 256 Jan | 267 Jan Antoni Szwarc Death - 7 January 1989 (27 year anniversary) Jan Szwarc Birth - 7 January 1906 (110 year anniversary) | 278 Jan Antoni Płoskonka Birth - 8 January 1915 (101 year anniversary) | 289 Jan |
| 2910 Jan | 3011 Jan Franciszek Tymecki Birth - 11 January 1926 (90 year anniversary) Roman Jan Rybak Birth - 11 January 1908 (108 year anniversary) | Day not set Mieczysław Biernat Death - January 1966 (50 year anniversary) |
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