December 18 marks the proclamation of the Republic in 1958, two years before independence. It is the national day and a public holiday. Since 2006, the official celebrations have been held in a regional capital, which changes from year to year. The French foreign ministry advises against all travel to Niger. Check your own government's travel advice as well.
Festivals and holidays · Niger
Republic Day (National Day)
National holiday · A regional capital and nationwide