| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 13 May Piotr Rybak Death - 3 May 1967 (25 year anniversary) Eugeniusz Kubik Birth - 3 May 1939 (53 year anniversary) | 24 May Rafal Pieniądz Birth - 4 May 1981 (11 year anniversary) Czesław Gruszka Birth - 4 May 1949 (43 year anniversary) | 35 May | 46 May Maria Bratkowska Death - 6 May 1879 (113 year anniversary) Stanislaw Bratkowski Birth - 6 May 1809 (183 year anniversary) | 57 May Julia Rybak Birth - 7 May 1908 (84 year anniversary) | 68 May | 79 May |
| 810 May | 911 May Anna Rybak Death - 11 May 1979 (13 year anniversary) Katarzyna Władysława Bohaczek Death - 11 May 1955 (37 year anniversary) Rosa Chargaff Birth - 11 May 1878 (114 year anniversary) | 1012 May | 1113 May | 1214 May Gertruda Kozłowska Birth - 14 May 1924 (68 year anniversary) | 1315 May Greta Chargaff Birth - 15 May 1910 (82 year anniversary) | 1416 May Jonas Holzmann Death - 16 May 1959 (33 year anniversary) Henryk Szwarc Birth - 16 May 1944 (48 year anniversary) Zygmunt Trocha Birth - 16 May 1925 (67 year anniversary) |
| 1517 May Jan Bratkowski Birth - 17 May 1856 (136 year anniversary) | 1618 May | 1719 May Jan Szwarc + Władysława Sagan Marriage - 19 May 1929 (63 year anniversary) | 1820 May | 1921 May Felicitas Dingmann Birth - 21 May 1898 (94 year anniversary) | 2022 May AntoniRybak Birth - 22 May 1871 (121 year anniversary) | 2123 May Kazimierz Smoliński Birth - 23 May 1940 (52 year anniversary) |
| 2224 May | 2325 May | 2426 May Rosa Holzmann Death - 26 May 1989 (3 year anniversary) Tekla Libitka Birth - 26 May 1833 (159 year anniversary) | 2527 May | 2628 May | 2729 May Roman Jan Rybak Death - 29 May 1979 (13 year anniversary) | 2830 May |
| 2931 May | 301 June |
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