International Nurses Day (IND) 2026 is celebrated on Tuesday, May 12, 2026, honouring Florence Nightingale’s birth anniversary. The 2026 theme from the International Council of Nurses (ICN) is “Our Nurses. Our Future. Empowered Nurses Save Lives,” focusing on securing safe working conditions, fair compensation, and leadership opportunities for nurses worldwide.

World Lupus Day 2026 is on Sunday, May 10, 2026. It is a global observance dedicated to increasing awareness, improving patient care, and supporting research for a cure for this chronic autoimmune disease. Activities include wearing purple and participating in events organized by the World Lupus Federation.

World Thalassaemia Day 2026, observed on May 8, operates under the theme “Hidden No More: Finding the Undiagnosed. Supporting the Unseen.” The campaign, led by the Thalassaemia International Federation (TIF), focuses on enhancing early detection, improving access to treatment, and providing visibility for individuals living with this genetic blood disorder.

World Red Cross and Red Crescent Day 2026 is observed on Friday, May 8, 2026, honouring the birth anniversary of Henry Dunant, founder of the International Committee of the Red Cross (ICRC). The 2026 theme focuses on “Keeping Humanity Alive,” celebrating volunteers and staff providing essential care in conflicts and disasters.

World Athletics Day 2026 is celebrated on May 7, 2026, to promote athletics and encourage young students to participate in sports. Organized under the global body World Athletics (formerly IAAF), this day highlights the importance of fitness, discipline, and healthy competition among youth.

World Asthma Day 2026 is held on Tuesday, May 7, 2026, to raise global awareness and improve care for over 260 million people affected by the chronic respiratory disease. Organized by the Global Initiative for Asthma (GINA), the 2026 theme is “Access to anti-inflammatory inhalers for everyone with asthma – still an urgent need”.

International No Diet Day is celebrated annually on May 6th, with the 2026 observance falling on Wednesday, May 6, 2026. It is a global initiative dedicated to promoting body positivity, body acceptance, and self-love, while challenging the harmful impacts of diet culture and promoting healthy, non-restrictive eating habits.

International Firefighters’ Day (IFFD) is observed annually on Monday, May 4, 2026. It honours the dedication, bravery, and sacrifices of firefighters worldwide, a tradition established in 1999 following the deaths of five firefighters in Victoria, Australia. The day encourages showing gratitude for their lifesaving work, often marked by sounding sirens and wearing red and blue ribbons.

International Workers’ Day (May Day) in 2026 is on Friday, May 1, 2026. It is a global holiday celebrating the contributions of workers, marked by public holiday status in many countries, including India. The day emphasizes labour rights, fair wages, safety, and dignity at work.