World Rivers Day in 2025 will be on Sunday, September 28. It's an annual day to celebrate rivers and raise awareness of their importance.

International Day of Sign Language choice of 23 September is the same date that the World Federation of the Deaf was established in 1951.

The International Day of Peace, is a global occasion dedicated to promoting peace and non-violence across the world.

Seed Gathering Season in 2025 is an autumn festival is organised by The Tree Council to encourage people to gather seeds, fruits, and nuts to grow trees.

World Car-free Day is an annual celebration of cities and public life, free from the noise, stress and pollution of cars.

Celebrate Bisexuality Day recognises and celebrates bisexual people, the bisexual community, and the history of bisexuality.