Important Days in May 2025, List of National and International Events

The month of May 2025 is filled with a series of significant national and international observances. These important days commemorate historic events, raise awareness about critical global issues, and celebrate cultural, scientific, and humanitarian achievements. For aspirants preparing for competitive examinations, knowing these days is essential as they often appear in the General Awareness and Current Affairs sections.

Important Days and Dates in May 2025

List of Important Days and Events in May 2025

1 May – International Labour Day / May Day

Also known as Antarrashtriya Shramik Diwas or Kamgar Din in India, this day honors the contributions of workers and the labor movement. It is celebrated worldwide to advocate for fair labor practices and workers’ rights.

1 May – Maharashtra Day and Gujarat Day

On 1 May 1960, the states of Maharashtra and Gujarat were formed following the bifurcation of the Bombay State. Both states observe a state holiday and organize parades and cultural programs.

2 May – World Tuna Day

Designated by the United Nations, this day raises awareness about the importance of tuna fish in global food security and the need for sustainable fishing practices.

3 May – World Press Freedom Day

This day emphasizes the importance of free and independent media. It also serves as a tribute to journalists who have lost their lives while performing their duties.

4 May – Coal Miners Day and International Firefighter’s Day

• Coal Miners Day is observed to recognize the sacrifices and hard work of coal miners in one of the most dangerous professions.
• International Firefighter’s Day was initiated following the tragic deaths of five firefighters in Australia. It honors the bravery and service of firefighters worldwide.

4 May (First Sunday) – World Laughter Day

Founded by Dr. Madan Kataria in Mumbai in 1998, this day promotes world peace and wellness through laughter, under the Laughter Yoga Movement.

6 May – International No Diet Day and World Asthma Day

• No Diet Day promotes body acceptance and raises awareness about eating disorders and weight discrimination.
• World Asthma Day, observed on the first Tuesday of May, spreads awareness about asthma, its management, and treatment.

7 May – World Athletics Day

Initiated by the International Association of Athletics Federations (IAAF), this day promotes participation in athletics, especially among youth.

8 May – World Red Cross Day and World Thalassaemia Day

• World Red Cross Day marks the birth anniversary of Henry Dunant, the founder of the Red Cross.
• World Thalassaemia Day raises awareness about the genetic blood disorder and encourages support for patients and families.

9 May – Rabindranath Tagore Jayanti and Maharana Pratap Jayanti

• Celebrates the birth of Rabindranath Tagore, Nobel Laureate, poet, and national icon.
• Maharana Pratap Jayanti honors the legendary warrior and Rajput king of Mewar, known for his valour and resistance against Mughal rule.

10 May – World Lupus Day

Dedicated to spreading awareness about Lupus, a chronic autoimmune disease affecting millions worldwide.

11 May – National Technology Day and Mother’s Day (Second Sunday)

• National Technology Day commemorates India’s nuclear tests at Pokhran in 1998, marking a major stride in technological advancement.
• Mother’s Day celebrates the love and contribution of mothers and is observed globally on the second Sunday of May.

12 May – International Nurses Day and Buddha Purnima

• International Nurses Day marks the birth anniversary of Florence Nightingale and recognizes the contributions of nurses.
• Buddha Purnima, also known as Vesak, celebrates the birth, enlightenment, and death of Gautama Buddha.

15 May – International Day of Families

A day to reflect on the importance of family structures and promote policies that support families around the world.

16 May – National Dengue Day, International Day of Light, and National Endangered Species Day (Third Friday)

• Raises awareness about dengue fever and its prevention.
• Celebrates the invention of the laser and the role of light in science and culture.
• Highlights the importance of conserving endangered species.

17 May – World Telecommunication Day, World Hypertension Day, and Armed Forces Day (Third Saturday)

• Telecommunication Day marks the founding of the International Telecommunication Union (ITU).
• Hypertension Day encourages regular blood pressure screening and healthy living.
• Armed Forces Day in the United States honors active-duty military personnel.

18 May – World AIDS Vaccine Day and International Museum Day

• AIDS Vaccine Day recognizes ongoing efforts in HIV vaccine research.
• Museum Day, organized by ICOM, aims to promote the importance of museums in preserving heritage.

20 May – International HR Day

Celebrates the evolving role of Human Resource professionals and the value they bring to modern workplaces.

21 May – National Anti-Terrorism Day and International Tea Day

• Anti-Terrorism Day commemorates the assassination of Rajiv Gandhi and promotes peace and unity.
• Tea Day recognizes the economic and cultural significance of tea production and workers.

22 May – International Day for Biological Diversity

Established to promote awareness of the importance of biodiversity and its protection amid increasing threats.

23 May – World Turtle Day

Aims to protect turtles and tortoises and their habitats through education and advocacy.

24 May – National Brother’s Day

Celebrates the unique and enduring bond between brothers and siblings.

25 May – Africa Day

Marks the founding of the Organisation of African Unity (now African Union) and celebrates African unity and liberation.

26 May – National Memorial Day (Last Monday of May)

Observed in the United States, it honors fallen military personnel who died in service to the nation.

30 May – International Day of Potato, Goa Statehood Day, and Hindi Journalism Day

• Recognizes the role of potatoes in combating hunger and supporting rural livelihoods.
• Goa Statehood Day marks Goa becoming India’s 25th state on 30 May 1987.
• Hindi Journalism Day commemorates the publication of India’s first Hindi newspaper, Udant Martand, in 1826.

31 May – World No Tobacco Day

Organized by the World Health Organization (WHO) to highlight the harmful effects of tobacco consumption and encourage cessation efforts globally.