روز استقلال, or Independence Day, is celebrated in many countries to commemorate the day they gained freedom from colonial rule or foreign domination. This day often includes various festivities, such as parades, cultural events, and fireworks, reflecting national pride and unity. In Iran, روز استقلال is observed on the 28th of Ordibehesht in the Persian calendar, marking the end of foreign influence and the establishment of a sovereign nation. Citizens participate in ceremonies and activities that honor their history and the sacrifices made for independence.