On which date, the Bihar Day is celebrated?

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.

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.

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.

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 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.

The World Creativity and Innovation Day was observed to encourage people to use creativity in problem-solving for all issues related to achieving the 2015 Sustainable Development Goals. the United Nations (UN) recognized 21st April as an official World Creativity and Innovation Day and 2018 marks the first year the UN was observed WCID. The day was first commemorated in over 50 countries around the world on 21st April 2002. In 2006, this day became a week starting from 15th April, which is Leonardo Davinci's birthday; an icon of cross-disciplinary creativity in the arts and sciences.

World Meteorological Day is observed annually on March 23 to commemorate the establishment of the World Meteorological Organization (WMO) in 1950. The day also underlines the efforts of National Meteorological and Hydrological Services for the safety and well-being of society. The theme 2019 was "The Sun, the Earth and the Weather". The day was first observed in 1961.

As part of Gram Swaraj Abhiyan, Ayushman Bharat Diwas is celebrated across the country on April 30. For the first time, the day was observed on 30th April 2018. During the event, information regarding Ayushman Bharat Scheme was provided to people during health camps organised in rural areas. On this day, gram sabhas were organized in different parts of the country to create awareness about the National Health Protection Mission and verify and update details in the Socio-Economic and Caste Census database.

The World Immunisation Week 2019 celebrates 'Vaccine Heroes' worldwide ranging from parents and community members to health workers and innovators who help to ensure that we are protected via the power of vaccines. The theme for 2019 is 'Protected Together: Vaccines Work'. The last week of April (24th-30th) every year is observed as World Immunisation Week in order to promote the use of vaccines for the protection of people of all age-groups against disease. The WHO (World Health Organization) notified that there are still 20 million unvaccinated and under-vaccinated children worldwide; so this initiative brings to limelight the necessity to bring on immunization progress through increased investment. Immunization Week was observed for the very first time in 2012 when more than 180 countries and territories worldwide participated in it.

World Allergy Week is an annual global initiative of the World Allergy Organisation (WAO) and is being observed worldwide between 7th to 13th of April, 2019. The theme for this year is "The Global Problem of Food Allergy". The prime objective of the campaign is to raise awareness of the effect of allergic diseases and related disorders in our communities and provide support for the proper training, diagnosis, management, and prevention of the diseases. The World Allergy Organization (WAO) addresses a different theme every year to mark the need for greater awareness among communities. In order to bring this to fruition, the WAO provides the general public and the physicians with a webinar, infographic material and additional information to provide education and dissipation of awareness on the topic.