International Days

World Science Day for Peace and Development is observed annually on 10th November to highlight the importance of science in society and the need to engage the wider public in debates on emerging scientific issues.

The official theme for International Women's Day 2019 was 'Think Equal, Build Smart, Innovate for Change.' This theme focused on encouraging innovation and equality to transform women's lives globally. The other options correspond to themes from different years.

World Kidney Day is observed annually on the second Thursday of March each year. In 2025, this date falls on March 13th. Therefore, the correct answer is option B, 13 March. The day is dedicated to raising awareness about kidney health and disease prevention globally.

The theme of the 2019 World Day of Social Justice, observed on February 20, 2019, was 'Preventing conflict and sustaining peace through decent work.' This theme emphasizes the role of decent work in promoting social justice and peace.

The World Day for International Justice is observed annually on 17 July to promote international criminal justice and honor the establishment of the International Criminal Court.

International Anti-Corruption Day is observed annually on December 9. This date was designated by the United Nations General Assembly to raise awareness about corruption and promote anti-corruption measures worldwide. Therefore, the correct answer is option B, December 9.

The first-ever World Food Safety Day was officially observed on 7 June 2019. This date was declared by the United Nations General Assembly and is jointly facilitated by the Food and Agriculture Organization (FAO) and the World Health Organization (WHO). Multiple authoritative sources confirm that the correct date is 7 June, not 8 June.

International Day of Diplomats is celebrated annually on 20 October to honor the work of diplomats worldwide. Therefore, option A (20 October) is the correct answer.

In 2019, the United Nations General Assembly proclaimed it as the International Year of the Periodic Table of Chemical Elements to celebrate the 150th anniversary of the periodic table's creation by Dmitri Mendeleev.

The International Day to End Impunity for Crimes Against Journalists is observed every year on 2 November. This date was proclaimed by the United Nations General Assembly in 2013 to raise awareness about the need to end the culture of impunity for attacks on journalists worldwide. The date commemorates the assassination of two French journalists in Mali on 2 November 2013. Authoritative sources including the United Nations and UNESCO confirm this date.

International Nurse's Day is observed annually on May 12th to honor nurses worldwide. Mother's Day is celebrated on different dates depending on the country and was not on May 12, 2019. Therefore, the correct answer is International Nurse’s Day.

International Ozone Day, also known as the International Day for the Preservation of the Ozone Layer, is observed annually on September 16 to raise awareness about protecting the ozone layer.

World Day Against Trafficking in Persons is observed annually on 31st July to raise awareness about human trafficking and promote efforts to combat it.

International Students' Day is internationally recognized and celebrated on 17 November to honor the student resistance against Nazi occupation in 1939 and to promote student rights worldwide.

World Cancer Day is observed annually on 4th February to raise awareness about cancer and encourage its prevention, detection, and treatment. The other options correspond to different dates.

The first-ever World Cotton Day was hosted by the WTO on 7 October 2019 in Geneva, Switzerland, which is the headquarters of the WTO.

International Men's Day is celebrated every year on 19 November. This is confirmed by multiple reliable sources including the BBC and other international organizations. Therefore, the correct answer is option C: 19 November.

The theme of the 2019 World Tourism Day was "Tourism and Jobs — A Better Future For All," focusing on the role of tourism in creating jobs and promoting a better future globally.

World Toilet Day is officially observed on 19 November each year to raise awareness about sanitation issues worldwide. Therefore, the correct answer is 19 November, which corresponds to option C, not B.

World Mental Health Day is observed every year on 10 October to raise awareness about mental health issues globally.

The International Day for the Abolition of Slavery is observed annually on 2nd December. This date marks the adoption by the United Nations General Assembly of the Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others on 2 December 1949. The day focuses on eradicating contemporary forms of slavery such as trafficking, forced labour, and forced marriage. Therefore, the correct answer is option B (2nd December).

International Mountain Day is observed every year on 11 December to raise awareness about the importance of mountains to life.

International Civil Aviation Day is observed annually on 7 December to recognize the importance of international civil aviation to the social and economic development of countries.

World Disability Day, also known as the International Day of Persons with Disabilities, is observed every year on 3rd December to promote the rights and well-being of persons with disabilities.

World Asthma Day is observed annually on the first Tuesday of May to raise awareness about asthma and improve asthma care around the world.