15 October is Global Handwashing Day, a global advocacy day dedicated to increasing awareness and understanding about the importance of handwashing with soap as an effective and affordable way to prevent diseases and save lives.

Boxing Day is celebrated on 26 December every year and is only celebrated in a few countries; mainly ones historically connected to the UK and in some European countries. Boxing Day is celebrated just a day after Christmas.

The General Assembly adopted resolution 3281 containing the “Charter of Economic Rights and Duties of States” on 12 December 1974, by 115 votes to 6, with 10 abstentions.

International Civil Aviation Day is observed on 7 December worldwide to raise awareness about its importance to the social and economic development of States and the role that ICAO plays in International air transport.

International Anti-Corruption Day is observed on 9 December every year to highlight how corruption affects health, education, justice, democracy, prosperity, and development.

International Men's Day is celebrated on 19 November.

The United Nations' (UN) World Television Day is annually observed in many places around the world on 21 November. The day recognizes that television plays a major role in presenting different issue that affect people. World Television Day helps people remember the beneficial purposes of television.

International Day of Peace (UN) is observed on 21 September around the world. For the first time it was observed in September 1982 and in 2001, the General Assembly adopted a resolution 55/282, which established 21 September as International Day of Peace of non - violence and cease - fire.

World Mosquito Day is observed on 20 August every year to commemorate the British doctor, Sir Ronald Ross's discovery in 1897 that 'female mosquitoes transmit malaria between humans'.

International Workers' Day, also known as Labour Day in most countries and often referred to as May Day, is a celebration of labourers and the working classes that is promoted by the international labour movement and occurs every year on 1 May.

World Standards Day (or International Standards Day) is an international day celebrated internationally each year on 14 October. The day honours the efforts of the thousands of experts who develop voluntary standards within standards development organizations such as the American Society of Mechanical Engineers (ASME), International Electrotechnical Commission (IEC), International Ethics Standards Board for Accountants (IESBA), International Organization for Standardization (ISO), International Telecommunication Union (ITU), Institute of Electrical and Electronics Engineers (IEEE) and Internet Engineering Task Force (IETF).

World Food Day is celebrated every year on 16 October to inspire people about healthy diets. On this day Food and Agriculture Organisation was established and launched by the United Nations in 1945.

24 October has been celebrated as United Nations Day since 1948. In 1971, the United Nations General Assembly recommended that the day be observed by Member States as a public holiday.

Indian Space Research Organisation (ISRO), Indian space agency, founded in 1969 to develop an independent Indian space program. Its headquarters are in Bangalore (Bengaluru). ISRO’s chief executive is a chairman, who is also chairman of the Indian government’s Space Commission and the secretary of the Department of Space.

International Coffee Day is celebrated on 1 October every year to recognise millions of people across the world from farmers, roasters, baristas, and coffee shop owners, etc. who do hard work to create and serve the beverage in the consumable form.

Kargil Vijay Diwas is celebrated on 26 July every year in honour of the Kargil War's Heroes.

This day commemorates the passage of the 19th Amendment to the U.S. Constitution which granted the women right to vote. In 1971, the U.S. Congress officially recognized 26 August as Women's Equality Day.

National Sports Day is celebrated on 29 August every year to honour the birthday of Dhyan Chand a field hockey player. National Sports Day is also known as Rashtriya Khel Diwas.

Every year, 1 July is celebrated as National Doctor's Day by the Indian Medical Association (IMA). The day is observed to commemorate the birth and death anniversary of former Bengal's Chief Minister Dr Bidhan Chandra Roy.

World UFO Day is observed on 2 July. It was founded by the UFO hunter Haktan Akdogan. The first World UFO Day was celebrated in 2001 and spread awareness among people to gaze at the heavens scanning for unidentified flying objects.

World Vegan Day is an annual event celebrated by vegans around the world every 1 November.

World Pneumonia Day is annually held on 12 November to raise awareness of pneumonia, promote prevention and treatment, and generate action to fight the illness.

The International Day of Non-Violence is observed on 2 October, the birthday of Mahatma Gandhi, leader of the Indian independence movement and pioneer of the philosophy and strategy of non-violence.

World Animal Day is an international day of action for animal rights and welfare celebrated annually on 4 October, the feast day of Francis of Assisi, the patron saint of animals.

World Hepatitis Day is observed annually on 28 July to generate an opportunity to step up national and international efforts on hepatitis. Also, this day make people aware of the hepatitis disease and its consequences in the life of the people suffering from it.

Global Tiger Day is celebrated every year on 29 July as a way to raise awareness about this magnificent but endangered big cat.

World Heart Day is observed annually on 29 September. This day informs people about heart disease and stroke which is the world's leading cause of death.

The World Day Against the Death Penalty is organised on the 10 October by the World Coalition against the Death Penalty (WCADP).

International Translation Day is observed on September 30, every year on the feast of St. Jerome, the Bible translator who is an epitome and known as the patron saint of the translators. The day aims to celebrate the work of language translation professionals which facilitates dialogue, understanding, and cooperation, contributing to the development and strengthening of world peace and security.