| primidi | duodi | tridi | quartidi | quintidi | sextidi | septidi | octidi | nonidi | decidi |
| 121 July Mieczysław Klemens Kazimierz Janicki Death - 21 July 2003 (27 year anniversary) | 222 July | 323 July Kazimierz Smoliński Death - 23 July 2001 (29 year anniversary) | 424 July | 525 July Henryk Regulski Birth - 25 July 1946 (84 year anniversary) | 626 July | ||||
| 727 July Mieczysław Biernat Birth - 27 July 1965 (65 year anniversary) | 828 July | 929 July | 1030 July Franciszek Tymecki Death - 30 July 1988 (42 year anniversary) | 1131 July Józef Bratkowski Birth - 31 July 1864 (166 year anniversary) | 121 Aug | 132 Aug | 143 Aug | 154 Aug | 165 Aug Jan Rybak Birth - 5 August 1940 (90 year anniversary) |
| 176 Aug Edward Zapałowicz Death - 6 August 1965 (65 year anniversary) | 187 Aug Hermann Chargaff Death - 7 August 1934 (96 year anniversary) | 198 Aug | 209 Aug | 2110 Aug | 2211 Aug Erwin Chargaff Birth - 11 August 1905 (125 year anniversary) | 2312 Aug Tadeusz Machowski Birth - 12 August 1945 (85 year anniversary) | 2413 Aug | 2514 Aug Stefan Klaskala Birth - 14 August 1924 (106 year anniversary) | 2615 Aug Ernest Józef Grubin Birth - 15 August 1915 (115 year anniversary) |
| 2716 Aug Victor Radulski Birth - 16 August 1908 (122 year anniversary) | 2817 Aug | 2918 Aug Tadeusz Porbes Birth - 18 August 1939 (91 year anniversary) | 3019 Aug |
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