The International Day of Sport for Development and Peace (IDSDP) is an annual celebration of the power of sport to drive social change, community development and to foster peace and understanding. This was created by the United Nations General Assembly in 23 August 2013, supported by the International Olympic Committee since 6 April 2014. This date commemorates the inauguration, in 1896, of the first Olympic games of the modern era.

The International Day of Conscience is a global day of awareness celebrated on April 5, commemorating the importance of the human conscience. It was established by the United Nations General Assembly on July 25, 2019 with the adoption of UN Resolution. The first International Day of Conscience was celebrated on April 5, 2020

1.World Autism Awareness Day is an internationally recognized day on 2 April every year, encouraging Member States of the United Nations to take measures to raise awareness about people with autistic spectrum disorders including autism and Asperger syndrome throughout the world.

2.International Children’s Book Day (ICBD) is a yearly event sponsored by the International Board on Books for Young People (IBBY), an international non-profit organization. Founded in 1967, the day is observed on or around Hans Christian Andersen’s birthday, April 2. Activities include writing competitions, announcements of book awards and events with authors of children’s literature.

World Theatre was created by the ITI and was celebrated for the first time on 27 March 1962, the date of the opening of the “Theatre of Nations” season in Paris. Ever since, each year on that date, World Theatre Day is celebrated on a global scale.

Purple Day is a global grassroots event formed with the intention to increase worldwide awareness of epilepsy, and to dispel common myths and fears of this neurological disorder.

World Meteorological Day is observed every year on March 23 to highlight the importance of the role that people and their behaviour play in protecting Earth’s atmosphere. The day also commemorates the establishment of the World Meteorological Organization (WMO), which is an intergovernmental body, on March 23, 1950.

The resolution to observe World Water Day was first adopted by the UN General Assembly on December 22, 1992, after which March 22 was declared as World Water Day and is celebrated around the world since 1993.

The Ordnance Factories’ Day is observed on 18th of March every year. The production of India’s oldest Ordnance Factory, which is at Cossipore of Kolkata, was started in 18th of March, 1802. The day is celebrated by displaying the rifles, guns, artillery, ammunition..etc in exhibitions all over India.

The National Vaccination Day, also called the National Immunization Day, is celebrated every year on March 16 to convey the importance of vaccination to the entire nation. The day was first observed in the year 1995, the year on which India started Pulse Polio Programme. This year, the National Vaccination Day is important as the country has started its biggest Covid-19 immunization programme early this year and has already crossed the 30 million mark.

The World Consumer Rights Day is celebrated every year on March 15. The day is observed to raise awareness about a consumer’s rights and needs to enable the consumer to fight against social injustices. The World Consumer Rights Day 2021 theme is to gather all the consumers in a fight to “Tackle Plastic Pollution”.