• International Labour Day (also known as May Day or International Workers' Day)  is celebrated across the world on 1st of May every year. The theme is “Sustainable Pension for all: The Role of Social Partners”.
  • May 1 is celebrated as 'Maharashtra Day' and 'Gujarat Day'. In 1960, the Bombay Reorganization Act was passed by India's Parliament to divide the multilingual state of Bombay into Gujarat and Maharashtra. The legislation came into effect on May 1, 1960.
  • The United Nations (UN) established World Tuna Day on May 2 to raise awareness about the importance of tuna and to promote more sustainable fishing practices. 
  • The 16th Ministerial Meeting of Asia Cooperation Dialogue (ACD) was held in Doha, Qatar. The theme of the meeting was "Partners in Progress”.
  • World Press Freedom Day (WPFD) is celebrated all over the world on the 3rd of May. The theme for WPFD 2019 is “Media for Democracy: Journalism and Elections in Times of Disinformation”. 
  • India will be attending the Group of 7 industrialised nations meet organised by France in Biarritz in August along with Australia, Chile, and South Africa.The French ambassador to India Alexandre Zeigler stated that one of the issues on the agenda of the G-7 meet would be fighting terrorism in cyberspace.
  •  Pakistan’s former captain and star all-rounder Shahid Afridi released his autobiography, titled ‘Game Changer’. The book is co-authored by Afridi and journalist Wajahat S Khan
  • World Laughter Day is celebrated on the first Sunday of May every year. It is a day to raise awareness about laughter and its many healing benefits. 
  • The IBSA (India, Brazil & South Africa) Sherpas’ Meeting, following the 9th IBSA Trilateral Ministerial Meeting, was held in Cochin. Secretary (Economic Relations) in the Ministry of External Affairs, Mr. T.S. Tirumurti led the Indian delegation.
  • The G7’s (Group of Seven) Environment Ministers gathered for a 2-day meeting in MetzFrance to discuss on steps required to handle deforestation, plastic pollution, depletion of coral reefs and ways to build pacts between the countries in order to achieve the target.
  • World Asthma Day is an annual event organized by the Global Initiative for Asthma (GINA) on the first Tuesday in May to improve asthma awareness and control around the world. This year it was observed across the globe on May 7, 2019. The theme of World Asthma Day 2019 was ‘STOP for Asthma’.
  • The 15th Finance Commission headed by Chairman, N.K. Singh held a detailed meeting with the Governor and Deputy Governors of RBI in Mumbai. Key issues raised by RBI Governor, Shaktikanta Das and Finance Commission Chairman, N.K. Singh were discussed in detail at the meeting.These issues included the following:–
  1. The necessity of setting up State Finance Commissions for respective State Governments.
  2. Public Sector Borrowing Requirements.
  3. Continuity of the Finance Commission.
  4. Need for Expenditure Codes, especially given that expenditure norms vary from state to state.
  5. Role of States in Growth and Inflation, for instance, role of states in Ease of doing Business.
  •  Central Board of Indirect Taxes and Customs (CBIC) has organised a 2-Day meeting of the Regional Heads of Customs Administration of Asia Pacific Region of the World Customs Organisation (WCO) in Kochi.
  • Ministry of New & Renewable Energy (MNRE) held a ‘Chintan Baithak’ with the stakeholders of the Renewable Energy sector in New Delhi. The ‘Baithak’ (meet) was chaired by Secretary, MNRE, Anand Kumar.
  • World Red Cross Day (also known as Red Crescent Day) is observed every year on May 8. It is a gentle nod to all the volunteers who have made an unparalleled contribution to people in duress or need. The 2019 theme chosen by them is, ‘#Love’.
  • India's first Nobel laureate who reshaped Bengali literature and music, Rabindranath Tagore was also an educationist who started the Vishwa Bharati University in Shantiniketan, and in the process, challenged conventional mores of education. Rabindranath Tagore's birth anniversary is also known as Pochise Boishakh 2019.
  • Vice President of India Venkaiah Naidu embarked on a four-day official visit to Vietnam to participate in 16th United Nations Day of Vesak.  During the visit, VP will deliver the keynote address at the inaugural session of the event themed as "Buddhist Approach to Global Leadership and Shared Responsibilities for Sustainable Societies." 
  • A WTO Ministerial meeting of developing countries is being hosted by India in New Delhi
  • The 5th United Nations Global Road Safety Week is being observed from May 6 to 12, 2019. It is celebrated once in two years. The theme of the Road Safety Week is ‘Leadership for Road Safety’.
  • National Technology Day is observed every year on 11th of May in India, acting as a reminder of the anniversary of ShaktiShakti is the Pokhran nuclear test which was held on the 11th of May, 1998. The first nuclear test Pokhran with a codenamed as ‘Smiling Buddha’ .
  • The World Trade Organisation, WTO ministerial meeting of developing countries began in New Delhi. The meeting will provide an opportunity for the Ministers to discuss various issues and the way forward.
  • Inaugural issue of world’s first exclusive women’s cricket magazine ‘Criczone’ was released with Indian team vice-captain Smriti Mandhana featuring as the cover story.
  • In 2019, World Migratory Bird Day is celebrated on May 11 and October 12.  The theme for World Migratory Bird Day 2019 is ‘Protect Birds: Be the Solution to Plastic Pollution.’.
  • International Nurses Day is celebrated around the world on 12 May. It celebrates the birth anniversary of Florence Nightingale. The theme is "Nurses – A Voice to Lead – Health for All". 
  • The WTO Ministerial Meeting of Developing Countries concluded in New Delhi. The Ministerial Meeting began with a dinner hosted by the Union Minister of Commerce & Industry and Civil Aviation, Suresh Prabhu. 
  • Vice President Venkaiah Naidu undertook an official visit to Vietnam at the invitation extended by Dang Thi Ngoc Thinh, Vice President of Vietnam. He was also invited by the Vietnam Buddhist Sangha and the organizers of the 16th UN Day of Vesak that is being held at the Tam Chuc Pagoda in Hanam Province in Vietnam to deliver the keynote address during the inaugural session.
  • In 1993, the General Assembly decided in a resolution that 15 May of every year should be observed as The International Day of FamiliesThe Theme for 2019 International Day of Families is “Families and Climate Action: Focus on SDG 13". 
  •  President Ram Nath Kovind has greeted the people of Sikkim on their statehood day on 16th May. 
  • May 16th is celebrated globally as the International Day of Light. 2019 marks the global celebration of the second edition of the event.
  • World Telecommunication & Information Society Day is observed all over the world on 17th May. The theme is 'Bridging the Standardization Gap'.
  • The third round of Foreign Office Consultations between India and Botswana was held in New Delhi. The Indian side was led by Joint Secretary, East and Southern Africa in the Ministry of External Affairs Dr. Neena Malhotra. 
  • The 11th Joint Consular Committee Meeting between India and Iran took place in New Delhi.The meeting provided an opportunity to review the status of ongoing cooperation in consular and visa related issues and to discuss ways and means to further expand people to people contacts and promote friendly exchanges between India and Iran.
  • External Affairs Minister Sushma Swaraj will attend the foreign ministers' meet of the Shanghai Cooperation Organization (SCO) in Bishkek, Kyrgyz Republic. Swaraj's Pakistani counterpart Shah Mehmood Qureshi will also attend the meeting. This will be the second Council of Foreign Ministers (CFM) meeting that India will be attending as a full member of SCO
  • To raise awareness of the importance of pollinators (such as bees, butterflies, bats and hummingbirds), the threats they face and their contribution to sustainable development, the UN designated 20 May as World Bee Day.
  • World Metrology Day is observed every year on 20 May. The theme for World Metrology Day 2019 is The International System of Units - Fundamentally better.

    • May 21 is chosen as Anti-terrorism day in India to commemorate the death Anniversary of former Prime Minister Rajiv Gandhi died in a terrorist attack.
    • On 21st May, the UAE celebrated World Day for Cultural Diversity for Dialogue and Development to highlight its efforts in promoting tolerance and cultural diversity.The event coincides with the country’s declaration of 2019 as the Year for Tolerance.
    • Taiwan Expo 2019 began in Pragati Maidan, New Delhi.The representative of Taipei Economic and Cultural Centre Tien Chung-Kwang and Chairman of Taiwan External Trade Development Council, TAITRA James CF Huanginaugurated the three-day event in the presence of Joint Secretary Praveen Bonigala and ITPO Chairman LC Goyal. 
    • The UN General Assembly proclaimed 22 May, the date of the adoption of its text, as the International Day for Biological Diversity on 20 December 2000. The theme is 'Our Biodiversity, Our Food, Our Health'. 
    • The 5th Smart Cities India 2019 expo, including Transport India, Solar India, Buildings India and Water India expos, was inaugurated by Durga Shanker Mishra, Secretary, Ministry of Housing and Urban Affairs (MoUHUA) at the Pragati Maidan, New Delhi.
    • External Affairs Minister Sushma Swaraj represented India in the meeting of Council of Foreign Ministers (CFM) of Shanghai Cooperation Organisation to be held in Bishkek, Kyrgyz Republic. 
    • US President Donald Trump got the red carpet treatment at Japan’s Imperial Palace where he made history, becoming the first world leader to meet with the new emperor of Japan Naruhito.
    • India has been elected to the Executive Board of the first UN-Habitat Assembly, announced by Ministry of Housing and Urban Affairs. India has been elected to the Executive Board of the first UN-Habitat Assembly at the Plenary Session of the Assembly being held in Nairobi. The special theme for the UN-Habitat Assembly is “Innovation for Better Quality of Life in Cities and Communities”.
    • Swatantryaveer Vinayak Damodar Savarkar’s birth anniversary is being celebrated on 28th May. Born on 28th May in 1883 near Nasik in Maharashtra, Savarkar was popularly called Veer Savarkar.
    • Goa celebrates its statehood day on 30th May. It was on this day in 1987 Goa became the 25th state of the Indian Union.2 It was a Union Territory along with Daman and Diu from December 1961 onwards when Goa was liberated from the colonial rule.
    • International Everest Day is being observed on 29th May. Nepalese Tenzing Norgay and New Zealand’s Edmund Hillary had climbed the Mt. Everest on this day (29th May) in 1953, as the first humans to achieve the feat.
    • Nepal is celebrating its 12th Republic Day on 29th May 2019. A number of programmes are being organized in different parts of the country to mark the occasion. 
    • As the World Environment Day is approaching, Ministry of Environment, Forest and Climate Change launched a theme song ‘Hawa Aane De’ on air pollution. The song was launched in the national capital. The aim is to spread awareness regarding protecting the environment. 
    • Every year, on 31st May, the World Health Organization (WHO) and global partners celebrate World No Tobacco Day (WNTD). The focus of World No Tobacco Day 2019 is on “tobacco and lung health.”