Oued Ed-Dahab Day is a public holiday in Morocco, observed annually on August 14th. This holiday draws its name from the Oued Ed-Dahab-Lagouira region in Morocco. The celebration marks the anniversary of the region's allegiance to the Moroccan throne. On this day, the Moroccan people celebrate the return of the Oued Ed-Dahab to the motherland of Morocco from Spain in 1981.

The day is marked with various festivities and events across the country. These include traditional music and dances, parades, marches, and cultural shows. It's an opportunity for Moroccans to express their national pride, and for observers and tourists alike to learn more about Moroccan history and culture. More specifically, it allows the citizens of the Oued Ed-Dahab-Lagouira region to celebrate their heritage and the regions significant transition.

Oued Ed-Dahab Day is more than just a day of celebrations; it is a day for Moroccans to remember the sacrifices made for their sovereignty and territorial integrity. Celebrations on this day serve as a reminder for the need to consolidate loyalty to the nation and glorify the achievements of the country. Despite regional conflicts and political tuning, the holiday boosts patriotic feelings and strengthens the bonds between the people and their king, further assuring attachment to the nation's territorial unity.