27 March is observed as –

World day for War Orphans
United Nations Day for South-South Cooperation
World No Tobacco Day, recognized by the UN
World Theatre Day

The correct answer is: World Theatre Day.

World Theatre Day is an international observance held on 27 March every year. It was initiated in 1961 by the International Theatre Institute (ITI), an organization of theatre artists and organizations from all over the world. The day is celebrated to promote theatre and its importance in society.

The ITI is a non-governmental organization that was founded in 1948. It is headquartered in Paris, France. The ITI has over 900 member organizations in over 100 countries. The ITI’s mission is to promote theatre and its importance in society. It does this through a variety of activities, including:

  • Organizing conferences and festivals
  • Publishing books and articles
  • Providing training and education
  • Promoting international cooperation

World Theatre Day is celebrated in a variety of ways around the world. Some common activities include:

  • Performances by professional and amateur theatre groups
  • Workshops and lectures on theatre
  • Exhibitions of theatre-related art
  • Public discussions about the role of theatre in society

World Theatre Day is an important event for the theatre community. It is a time to celebrate the art of theatre and its importance in society. It is also a time to promote theatre and its importance to the general public.

Here is a brief description of each option:

  • World day for War Orphans is observed on 6 June every year. It was established by the United Nations General Assembly in 2002. The day is dedicated to raising awareness of the plight of war orphans and to promoting their rights and well-being.
  • United Nations Day for South-South Cooperation is observed on 12 September every year. It was established by the United Nations General Assembly in 1986. The day is dedicated to promoting South-South cooperation, which is the cooperation between developing countries.
  • World No Tobacco Day is observed on 31 May every year. It was established by the World Health Organization (WHO) in 1987. The day is dedicated to raising awareness of the dangers of tobacco use and to promoting tobacco control measures.
  • World Theatre Day is observed on 27 March every year. It was initiated in 1961 by the International Theatre Institute (ITI). The day is celebrated to promote theatre and its importance in society.