This category includes works, events and everything related to the history of Niger in 1978.

Notes:

1. This category is NOT intended ONLY for photographs taken in 1978, nor is it intended for media uploaded or scanned in 1978, as the parent Category:Niger by year goes in time past the invention of photography, scanners or computers. For the specific scope of photography, please see Category:Photographs by year.
2. Media illustrating events of 1978 in Niger should be added into the subcategory Category:Events by country by year.
3. Media illustrating works of 1978 in Niger should be added into the subcategory Category:Works by year by country.