Every year, the 1st Thursday of May is celebrated as;

3rd May is observed worldwide as International Energy Day by The International Energy Agency (IEA).IEA is an autonomous inter-governmental organization based in Paris. It was founded in the framework of the Organisation for Economic Co-operation and Development (OECD) in 1974 after the 1973 oil crisis.The agency works as a policy adviser to its member states and also works with non-member nations like China, India, and Russia.IEA's main focus lies in the "3Es" of effective energy policy.

World Book Day is celebrated every year on 23 April. It is also known as World Book and Copyright Day, or International Day of the Book. It is organized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) to promote reading, publishing, and copyright. It was first celebrated on 23 April 1995. For the year 2019, Sharjah, UAE has been declared as the World Book Capital. It will be preceded by Kuala Lumpur, Malaysia in the year 2020.

Coal Miners Day is observed on 4th May every year to highlight the toughest profession and the people working in coal mines. On this day several organisations, communities raises funds and awareness for other organisations in the coal mining area and workers. This day show appreciation for the sacrifices, honour the accomplishments and remember the tragedies that these hardworking individuals experience.

April 1 to 7 is observed as Prevention of Blindness Week every year in India. It is observed to alert and awaken the society towards various factors which causes blindness. It is organised by National Society for the Prevention of Blindness-India (NSPB-I) along with the support of state and local branches. Initiated in 1960, Prevention of Blindness Week was launched by Jawaharlal Nehru and Raj Kumari Amrit Kaur, under Societies Registration Act of 1860. Indian Government has also launched another campaign 'Vision 2020: The Right to Sight' in collaboration with WHO to prevent blindness. Some facts on Blindness in India: Over 15 million people are blind in India out of the world's 37 million blind (2007 records). One out of every three people in India is blind. The major causes of blindness in India are malnutrition, trachoma & cataract among others. Other causes include shortage of optometrists and donated eyes.

International Firefighters' Day (IFFD) is observed on 4th May of every year. It was instituted after a proposal was emailed out across the world on January 4, 1999, due to the deaths of five firefighters in tragic circumstances in a bushfire in Australia. May 4 used to be a traditional Firefighters' Day in many European countries because it is the day of Saint Florian, patron saint of firefighters. Fire prevention and the need for more intensive and thorough training is one of the main aspects of International Fire Fighters Day. Firefighters and their agencies around the world are constantly stressing fire prevention: in schools, to the community, at public events, at assemblies and even to their own families. The safest way to keep firefighters alive and home to their families is training. This ideal is one that International Fire Fighters Day stresses.

The International Nurses Day was celebrated globally to commemorate the birth anniversary of Florence Nightingale also known as 'The Lady with the Lamp', was famous as manager and trainer of nurses during the Crimean War. The theme for the International Nurses Day 2019 is -'Nurses - A Voice to Lead -Health for All'. In 1860, Nightingale laid the foundation of professional nursing with the establishment of "Nightingale School of Nursing" at St Thomas' Hospital in London. It was the first secular nursing school in the world and is now part of King's College London.The Florence Nightingale Medal is the highest international distinction a nurse can achieve.

International No Diet Day (INDD) was observed on May 6 to promote a healthy lifestyle and raise awareness of the dangers and futility of dieting. The day also aims to raise awareness about the various dieting disorders which exist such as anorexia and bulimia. The INDD symbol is a blue ribbon. The INDD was first created in 1992 by Mary Evans Young to help people appreciate their own bodies. British feminist Mary was an anorexia patient(an eating disorder). She is the director of the British group "Diet Breakers" among the weight issues. The main agenda of INDD is Educating people on how to diet effectively and responsibly to improve healthy life and raise awareness about fatphobia, weight discrimination, sizism and potential dangers of commercial diet plans, honoring the victims of weight-loss surgery and eating disorders, promoting body acceptance and body shape diversity.

The World Liver Day (WLD) is observed every year on April 19 to build awareness and understanding importance of liver in human body and how liver ailments are treated. As per World Health Organisation (WHO), liver diseases are 10th most common cause of death in India. The liver, which measures about 1,00 grams in weight and 15 cm in length, is the second largest organ and is key player in our body's digestive system.

The United Nations' (UN) International day of Sport for Development and Peace(IDSDP) is observed annually on April 6 to recognize the power of sport in promoting peace and erasing cultural barriers worldwide.It is celebrated to promote healthy lifestyles and emphasizes the international Olympic Committee focus on giving as possible access to sport.The day is an annual celebration of the power of sport to drive social change, community development and to foster peace and understanding.April 6 was declared as the IDSDP by United Nations in 2013 and has been celebrated each year ever since 2014.

World Day for Safety and Health at Work is a UN international day that is celebrated every April 28. It is an annual international campaign to promote safe, healthy and decent work. It has been observed by the International Labour Organization (ILO) since 2003. It is concerned about safe work and awareness of the dimensions and consequences of work-related accidents and diseases; to place occupational safety and health (OSH) on the international and national agendas, and to provide support to the national efforts for the improvement of national OSH systems and programmes in line with relevant international labour standards. Inspired by the ILO centenary and discussions on the future of work, the world day this year attempts to take stock of a 100 years of work in improving occupational safety and health and looks to the future for continuing these efforts through major changes such as technology, demographics, sustainable development including climate change and changes in work organization.