| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 Hermann Chargaff Birth - 8 June 1870 (155 year anniversary) | 9 | 10 | 11 Ryszard WincentŚwiątnicki Death - 11 June 1994 (31 year anniversary) | 12 Zygmunt Trocha Death - 12 June 1994 (31 year anniversary) Franciszek Biernat Death - 12 June 1987 (38 year anniversary) TadeuszLinczowski Birth - 12 June 1928 (97 year anniversary) Stefan Bratkowski Death - 12 June 1872 (153 year anniversary) | 13 | 14 |
| 15 | 16 Isak Chargaff Death - 16 June 1903 (122 year anniversary) | 17 Emil Pieniądz Birth - 17 June 1912 (113 year anniversary) | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 Adam J. Bohaczek Death - 27 June 2003 (22 year anniversary) Wladyslaw Zawisza Birth - 27 June 1946 (79 year anniversary) | 28 Piotr Rybak Birth - 28 June 1909 (116 year anniversary) |
| 29 | 30 |
