In This Month ... |
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 | 2 | 3 | 4 | 5 | 6 Maria Bratkowska Death - 6 May 1879 (19 year anniversary) | 7 |
| 8 | 9 | 10 | 11 Rosa Chargaff Birth - 11 May 1878 (20 year anniversary) | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 Felicitas Dingmann Birth - 21 May 1898 |
| 22 | 23 | 24 | 25 | 26 Tekla Libitka Birth - 26 May 1833 (65 year anniversary) | 27 | 28 |
| 29 | 30 | 31 |