International Days

World Food Day is internationally observed on October 16 every year to commemorate the founding of the Food and Agriculture Organization (FAO) of the United Nations in 1945.

International Day of Yoga is officially celebrated every year on 21 June, as declared by the United Nations in 2014 to promote the benefits of practicing yoga worldwide.

International Youth Day is observed annually on 12 August, as designated by the United Nations to raise awareness about youth issues worldwide.

World Zoonoses Day is observed on July 6th each year to raise awareness about zoonotic diseases, which are diseases transmitted from animals to humans. This date commemorates the work of Louis Pasteur, who successfully administered the first rabies vaccine on July 6, 1885.

International Youth Day is observed every year on 12 August, as designated by the United Nations to raise awareness about youth issues worldwide.

International Day of Yoga is celebrated every year on 21 June, as declared by the United Nations to promote the practice of yoga worldwide.

The International Day for the Prevention of Violent Extremism as and when Conducive to Terrorism is observed on February 12, as designated by the United Nations to promote awareness and prevention of violent extremism.

Finland's National Day, also known as Independence Day, is celebrated on December 6th each year to commemorate its declaration of independence from Russia in 1917.

Helen Keller Day is observed every year on June 27th in the United States to honor her birth on June 27, 1880. This is confirmed by multiple reliable sources including Wikipedia and official commemorations. Therefore, the correct answer is option C (27 June).

The National Day of Thailand is celebrated on December 5th. This date is significant as it is the birthday of the late King Bhumibol Adulyadej. It is also observed as Father's Day in Thailand. Therefore, the correct answer is option C (5-Dec).

7 April is observed internationally as World Health Day, which is celebrated to mark the founding of the World Health Organization (WHO) and to raise awareness about global health issues.

22 March is internationally recognized as World Water Day, which focuses on the importance of freshwater and advocating for sustainable management of water resources.

World Tuberculosis Day is observed on 24th March every year to raise public awareness about the devastating health, social, and economic consequences of tuberculosis.

World Red Cross and Red Crescent Day is celebrated annually on May 8. This date honors the birth anniversary of Henry Dunant, the founder of the International Committee of the Red Cross, and commemorates the principles and humanitarian work of the International Red Cross and Red Crescent Movement. The day has been observed since 1948 and is recognized globally.

World Inventors' Day is celebrated on 9th November to honor inventors and their contributions to society. This date was chosen to commemorate the birthday of Hedy Lamarr, a famous inventor and actress.

The official theme for World Smile Day 2024 is 'Do an act of kindness. Help one person smile,' which encourages spreading kindness to bring smiles to others. This matches option C exactly.

World Cotton Day is officially observed on 7th October each year. This date was recognized by the United Nations General Assembly in August 2021 following a proposal by several African cotton-producing countries. The day aims to raise awareness about the importance of cotton in economic development, international trade, and poverty alleviation. Multiple authoritative sources including the United Nations, FAO, and WTO confirm that World Cotton Day is celebrated on 7th October.

World Teachers' Day is internationally celebrated on 5th October each year. This date was established by UNESCO in 1994 to commemorate the adoption of the 1966 ILO/UNESCO Recommendation concerning the Status of Teachers. The day recognizes the vital role teachers play globally and promotes awareness of their rights and responsibilities. Therefore, the correct answer is option D, 5th October.

World Tourism Day is observed annually on 27th September to raise awareness about the importance of tourism and its social, cultural, political, and economic value.

World Post Day is observed each year on 9th October to mark the establishment of the Universal Postal Union (UPU) in 1874. This date was declared World Post Day by the UPU Congress held in Tokyo, Japan in 1969. The United Nations and many countries worldwide recognize and celebrate World Post Day on 9th October annually.

World Mental Health Day is observed annually on 10 October to raise awareness about mental health issues worldwide. This date is recognized internationally and promoted by the World Health Organization.

Nelson Mandela International Day is celebrated annually on July 18th, which is Nelson Mandela's birthday. This day honors his legacy and promotes community service.

The International Day of the Girl Child is officially observed every year on 11th October to highlight and address the needs and challenges girls face, while promoting girls' empowerment and the fulfillment of their human rights.

The official theme for the International Day of the Girl Child 2024 is "Girls’ Vision for the Future," as confirmed by the United Nations' official communications and UN Web TV. This theme highlights the importance of recognizing and supporting girls' aspirations and potential for shaping the future. The previously stated theme "Girls: An Agent of Change" is not the official theme for 2024 but may be confused with themes from other years or similar observances.

The theme for World Mental Health Day 2024 is "Mental health is a universal human right," emphasizing the importance of recognizing mental health as a fundamental human right globally.