زبان
1403/07/17
متوسطه اول پسرانه نیروی هوایی تهران
Elementary
Intro1
Intro2
Pre-intermediate
Intro3 A
Intro3 B
Intro3
Intro4
Intro5
World Post Day, celebrated on October 9th each year, commemorates the establishment of the Universal Postal Union (UPU) in 1874 in Bern, Switzerland. It aims to raise awareness of the role of the postal sector in daily lives and its contribution to global social and economic development. Countries participate by organizing activities like introducing new postal services or honoring postal employees. Its a nod to the power of snail mail in a digital age.