| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 Stanisław Biernat Birth - 1 May 1930 (32 year anniversary) Jan Bratkowski Death - 1 May 1879 (83 year anniversary) | 2 | 3 Eugeniusz Kubik Birth - 3 May 1939 (23 year anniversary) | 4 Czesław Gruszka Birth - 4 May 1949 (13 year anniversary) | 5 | ||
| 6 Stanislaw Bratkowski Birth - 6 May 1809 (153 year anniversary) | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 Jonas Holzmann Death - 16 May 1959 (3 year anniversary) Henryk Szwarc Birth - 16 May 1944 (18 year anniversary) Zygmunt Trocha Birth - 16 May 1925 (37 year anniversary) | 17 Jan Bratkowski Birth - 17 May 1856 (106 year anniversary) | 18 | 19 |
| 20 | 21 | 22 AntoniRybak Birth - 22 May 1871 (91 year anniversary) | 23 Kazimierz Smoliński Birth - 23 May 1940 (22 year anniversary) | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | 31 Jan Biernat Birth - 31 May 1897 (65 year anniversary) |
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