Browse · September · 2026

September 21

2 holidays on Monday, September 21 in this view.

Monday, September 21

Mabon

Mabon, observed on September 21, is a modern Pagan and Wiccan celebration of the autumn harvest. It is a time to recognize the abundance of the earth, give thanks for the food…

Cultural United States, Canada +4

Monday, September 21

Telegraph Pole Appreciation Day

Telegraph Pole Appreciation Day, observed on September 21, is a chance to recognize the humble poles that helped transform communication. Long before modern digital networks,…

Cultural