The correct answer is: World Post Day.
World Post Day is celebrated on October 9 every year to commemorate the establishment of the Universal Postal Union (UPU) in 1874. The UPU is an intergovernmental organization that coordinates and develops the international postal system. It is the world’s oldest international organization, and its 192 member countries account for over 90% of the world’s population.
World Post Day is an opportunity to celebrate the importance of the postal service and to promote its role in connecting people and businesses around the world. It is also a time to raise awareness of the challenges facing the postal sector, such as the decline in letter mail and the rise of e-commerce.
The theme for World Post Day 2023 is “Connecting the world, shaping the future.” This theme highlights the role of the postal service in connecting people and businesses, and in promoting sustainable development.
Here is a brief description of each option:
- World Cancer Day is celebrated on February 4 every year to raise awareness of cancer and to promote early detection and prevention. Cancer is a leading cause of death worldwide, and early detection and prevention are key to reducing the number of deaths from cancer.
- World Wetlands Day is celebrated on February 2 every year to raise awareness of the importance of wetlands and to promote their conservation. Wetlands are areas of land that are saturated with water, either permanently or seasonally. They play a vital role in the environment, providing habitat for wildlife, filtering water, and storing carbon.
- World Radio Day is celebrated on February 13 every year to celebrate the importance of radio and to promote its role in promoting peace, understanding, and development. Radio is a powerful medium that can reach a wide audience, and it plays a vital role in informing and educating people around the world.
- World Post Day is celebrated on October 9 every year to commemorate the establishment of the Universal Postal Union (UPU) in 1874. The UPU is an intergovernmental organization that coordinates and develops the international postal system. It is the world’s oldest international organization, and its 192 member countries account for over 90% of the world’s population.