| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 18 June Hermann Chargaff Birth - 8 June 1870 (135 year anniversary) | 29 June | 310 June | 411 June Ryszard WincentŚwiątnicki Death - 11 June 1994 (11 year anniversary) | |||
| 512 June Zygmunt Trocha Death - 12 June 1994 (11 year anniversary) Franciszek Biernat Death - 12 June 1987 (18 year anniversary) TadeuszLinczowski Birth - 12 June 1928 (77 year anniversary) Stefan Bratkowski Death - 12 June 1872 (133 year anniversary) | 613 June | 714 June | 815 June | 916 June Isak Chargaff Death - 16 June 1903 (102 year anniversary) | 1017 June Emil Pieniądz Birth - 17 June 1912 (93 year anniversary) | 1118 June |
| 1219 June | 1320 June | 1421 June | 1522 June | 1623 June | 1724 June | 1825 June |
| 1926 June | 2027 June Adam J. Bohaczek Death - 27 June 2003 (2 year anniversary) Wladyslaw Zawisza Birth - 27 June 1946 (59 year anniversary) | 2128 June Piotr Rybak Birth - 28 June 1909 (96 year anniversary) | 2229 June | 2330 June | 241 July | 252 July Jan Rybak Death - 2 July 1936 (69 year anniversary) |
| 263 July Henryk Regulski Death - 3 July 1989 (16 year anniversary) | 274 July | 285 July Pawel Henryk Landesberg Birth - 5 July 1897 (108 year anniversary) | 296 July Ervin Rybak Birth - 6 July 1919 (86 year anniversary) | 307 July |
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