April 26 observed as a World Intellectual Property Day. It's theme for the year 2019 is;

The National Handloom week has been observed from 7th April to 14th April this year. The national handloom day observed on 7th August every year and last year in December 2018 the national handloom week was observed. On this occasion, a book named 'The Indian textile Sourcebook' authored by Avalon Fotheringham and published by Thames and Hudson will launch on 9th April.

World Athletics Day was observed on May 7 to promote Athletics as the primary sport in schools and institutions, to raise awareness about the sports and to educate youngsters about the importance of the sports. It is the sport's annual worldwide festival of youth and one of the busiest programmes of competitions on the athletics calendar. The first World Athletics Day was celebrated in 1996. International Association of Athletics Federations(IAAF) is authorised to decide the date of this day. This Day, which is organized by the IAAF, helps to establish an important link between the youth, our sport, and environmental conservation.

German pianist Nils Frahm declared the 88th day of a year(29th March) as the World Piano Day, as modern standard pianos have 88 keys. It has been celebrated in dozens of cities around the world over the past years. Many people were attracted towards the van by the piano's beautiful melodies, taking photos and cheering for the performers, Xinhua news agency reported. Launched by Universal Music Group, an American global music corporation, the event also celebrated the global release of Chinese pianist Lang Lang's new album Piano Book, a collection of pieces he has loved and played since childhood.

In 1982, ICOMOS (International Council on Monuments and Sites) established 18 April as the International Day for Monuments and Sites. UNESCO approved it the following year during its 22nd General Conference. The theme for International Day for Monuments and Sites 2019 is 'Rural Landscapes'.

84th Establishment Day of RBI is 1st April 2019. The Reserve Bank of India was established on April 1, 1935, in accordance with the provisions of the Reserve Bank of India Act, 1934. The bank was established on the recommendation of the Hilton Young Commission. The Central Office of the Reserve Bank was initially established in Calcutta but was permanently moved to Mumbai in 1937. The Central Office is where the Governor sits and where policies are formulated. Though originally privately owned, since nationalisation in 1949, the Reserve Bank is fully owned by the Government of India. The Reserve Bank's affairs are governed by a central board of directors. The board is appointed by the Government of India in keeping with the Reserve Bank of India Act.

International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade was observed all over the world on 25th March of every year to raise awareness about the dangers of racism and to honour and to remember people who suffered for the slavery system. The theme for International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade 2019 was "Remember Slavery: The Power of the Arts for Justice". The day was first observed in 2008, which was recognized by United Nations General Assembly (UNGA) after adopting a resolution in 2007.

The World Veterinary Day 2019 is observed on 28th April. It is an opportunity to celebrate the contributions of veterinarians to the health of animals and society. The theme for the day is the Value of Vaccination. The day is initiated by the World Veterinary Association. The World Veterinary Association (WVA) will co-host the 2019 World Veterinary Day Award with HealthforAnimals, the global animal medicines association. The value of the award has been increased to $2500. WVA and HealthforAnimals believe it is essential for the global veterinary profession to educate the public, particularly animal owners and producers, about the benefits of vaccination for animal, human, and public health.

Global Recycling Day is held on 18th March every year, with an aim to change the mindset of governments, businesses, communities and individuals around the world, to see recyclables as resource - not waste.The theme for Global Recycling Day 2019 was "Recycling into the Future". It was created in 2018 to help recognize, and celebrate, the importance recycling plays in preserving our precious primary resources and securing the future of our planet.

The International Nurses Day was celebrated globally on May 12 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.

On 22nd April 2009 the United Nations General Assembly adopted a resolution declaring 22nd April as the "International Mother Earth Day". The term 'Mother Earth' implies the interdependent relationship which exists between all the species of planet earth and to acknowledge earth's role in sustaining them all. World Earth Day 2019 theme is 'Protect Our Species'. It will mainly focus on saving species which are on the verge of extinction due to climate change, deforestation, pollution and illegal poaching. The founder of the Earth Day was Gaylord Nelson.