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World Autoimmune Arthritis Day
May 20
When is World Autoimmune Arthritis Day celebrated in 2022?
World Autoimmune Arthritis Day is observed on May 20 each year.
Observations
| Weekday | Month | Day | Year |
| Friday | May | 20 | 2022 |
| Saturday | May | 20 | 2023 |
| Monday | May | 20 | 2024 |
| Tuesday | May | 20 | 2025 |
