| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 17 May Julia Rybak Birth - 7 May 1908 (81 year anniversary) | 28 May | 39 May | 410 May | 511 May Anna Rybak Death - 11 May 1979 (10 year anniversary) Katarzyna Władysława Bohaczek Death - 11 May 1955 (34 year anniversary) Rosa Chargaff Birth - 11 May 1878 (111 year anniversary) | 612 May | 713 May |
| 814 May Gertruda Kozłowska Birth - 14 May 1924 (65 year anniversary) | 915 May Greta Chargaff Birth - 15 May 1910 (79 year anniversary) | 1016 May Jonas Holzmann Death - 16 May 1959 (30 year anniversary) Henryk Szwarc Birth - 16 May 1944 (45 year anniversary) Zygmunt Trocha Birth - 16 May 1925 (64 year anniversary) | 1117 May Jan Bratkowski Birth - 17 May 1856 (133 year anniversary) | 1218 May | 1319 May Jan Szwarc + Władysława Sagan Marriage - 19 May 1929 (60 year anniversary) | 1420 May |
| 1521 May Felicitas Dingmann Birth - 21 May 1898 (91 year anniversary) | 1622 May AntoniRybak Birth - 22 May 1871 (118 year anniversary) | 1723 May Kazimierz Smoliński Birth - 23 May 1940 (49 year anniversary) | 1824 May | 1925 May | 2026 May | 2127 May |
| 2228 May | 2329 May Roman Jan Rybak Death - 29 May 1979 (10 year anniversary) | 2430 May | 2531 May | 261 June | 272 June | 283 June |
| 294 June Józef Dec + Private Marriage - 4 June 1945 (44 year anniversary) |
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