18 August 2020 is the centennial of the 19th Amendment to the United States Constitution. Here is a list of women who have previously celebrated the 18th of August in orbit:
| Astronaut | Agency | Mission |
| Jan Davis | NASA | STS-85 |
| Shannon Lucid | NASA | Mir EO-21 |
| Claudie Haigneré | CNES | Soyuz TM-24 |
| Susan Helms | NASA | ISS Expedition 2 |
| Tracy Caldwell Dyson | NASA | ISS Expedition 24 |
| Shannon Walker | NASA | ISS Expedition 24 |
| Sunita Williams | NASA | ISS Expedition 32 |
| Karen Nyberg | NASA | ISS Expedition 36 |
| Kathleen Rubins | NASA | ISS Expedition 48 |
| Peggy Whitson | NASA | ISS Expedition 52 |
| Christina Koch | NASA | ISS Expedition 60 |
