41. World Tuberculosis Day is observed on:
42. The International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade is on:
43. World Theatre Day is celebrated on:
44. World Sleep Day is observed on:
45. Commonwealth Day (in Australia, UK, Canada, etc.) is celebrated on:
46. On which date is April Fool’s Day observed?
47. International Children’s Book Day is celebrated on:
48. World Health Day is observed every year on:
49. The Day of Remembrance of the Victims of the Genocide is marked on:
50. International Romani Day is observed on: