World Bicycle Day celebrates the bicycle as a simple, affordable, and sustainable means of transportation. This day recognizes the bicycle's role in promoting health and reducing pollution. The United Nations declared it to encourage cycling as part of sustainable development. Cycling is a fun, inclusive activity enjoyed by people of all ages worldwide.

• Global Release
• First Release May 23, 2023
• May 31 → Jun 3 Annually
• Stamp Series International Days
• https://en.wikipedia.org/wiki/World_Bicycle_Day