International Days October 9 2025 (United Nations)

The following is an overview of the days and the corresponding celebration declared by the United Nations that apply to Thursday, 2025-10-09:

• World Post Day:

  ^[UPU] World Post Day is celebrated each year on 9 October, the anniversary of the establishment of the Universal Postal Union in 1874 in the Swiss Capital, Bern. It was declared World Post Day by the UPU Congress held in Tokyo, Japan in 1969. Since then, countries across the world participate annually in the celebrations. Generally, the Posts in many countries use the event to introduce or promote new postal products and services.
  • Official note

• World Sight Day:

  ^[WHOSPN] Held every year on the second Thursday in October, World Sight Day is an annual day of awareness to focus global attention on blindness, visual impairment and rehabilitation of the visually impaired. The Day is observed around the world and is the main advocacy event for the prevention of blindness and for "Vision 2020: The Right to Sight", a global effort to prevent blindness created by WHO and the International Agency for the Prevention of Blindness.
  • Official note

• World Space Week - Day 6

  • Official note
  • A/RES/54/68

Notes:

^[UPU] Day observed by the Universal Postal Union.

^[WHOSPN] This is not part of the official public campaigns of the World Health Organization.