World Post Day is celebrated on October 9 each year to mark the establishment of the Universal Postal Union in 1874. This day highlights the importance of postal services in connecting people and facilitating communication across the globe. It serves as a reminder of the vital role that postal systems play in everyday life, including the delivery of letters, packages, and essential services. The observance of World Post Day encourages countries to promote their postal services and raise awareness about the benefits of efficient mail delivery. Various activities, such as exhibitions and educational programs, are organized to celebrate the contributions of postal workers and the postal industry to society.