World Autoimmune / Autoinflammatory Arthritis Day

Wednesday, May 20, 2026
Cultural Passed — next: May 20, 2027

World Autoimmune / Autoinflammatory Arthritis Day is Wednesday, May 20, 2026. Send free animated World Autoimmune / Autoinflammatory Arthritis Day eCards instantly with DeepTrench — choose from hundreds of designs, personalize your message, and deliver to anyone's inbox in seconds. No cost, no app required.

What is World Autoimmune / Autoinflammatory Arthritis Day?

World Autoimmune / Autoinflammatory Arthritis Day (WAAAD) is an international event celebrated on May 20th each year. The day is dedicated to raising awareness about autoimmune and autoinflammatory arthritis, a group of chronic and debilitating diseases that affect millions of people worldwide.

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When is World Autoimmune / Autoinflammatory Arthritis Day?

Year Date Day
2026 May 20, 2026 Wednesday
2027 May 20, 2027 Thursday
2028 May 20, 2028 Saturday
2029 May 20, 2029 Sunday
2030 May 20, 2030 Monday

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