In This Month ... |
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 114 Dec Isak Chargaff Birth - 14 December 1842 (67 year anniversary) | 215 Dec | 316 Dec | 417 Dec | 518 Dec | ||
| 619 Dec | 720 Dec | 821 Dec | 922 Dec | 1023 Dec | 1124 Dec | 1225 Dec |
| 1326 Dec | 1427 Dec | 1528 Dec | 1629 Dec Jan Bratkowski Birth - 29 December 1796 (113 year anniversary) | 1730 Dec | 1831 Dec | 191 Jan |
| 202 Jan Józef FranciszekBohaczek Birth - 2 January 1900 (10 year anniversary) | 213 Jan | 224 Jan | 235 Jan | 246 Jan | 257 Jan Jan Szwarc Birth - 7 January 1906 (4 year anniversary) | 268 Jan |
| 279 Jan | 2810 Jan | 2911 Jan Roman Jan Rybak Birth - 11 January 1908 (2 year anniversary) | 3012 Jan |