Nigeria Airways was created on 1958-08-23.
Nigeria Airways ended in 2003.
Nigeria Airways destinations ended in 2003.
"Nigeria Airways" is a proper noun. Proper nouns are specific names of people, places, or things, and they are always capitalized. In this case, "Nigeria Airways" is the name of a specific airline company based in Nigeria, making it a proper noun.
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Discovery Airways was created in 1989.
ArGo Airways was created in 2009.
Schreiner Airways was created in 1945.
Georgian Airways was created in 2004.
Slick Airways was created in 1946.
Cascade Airways was created in 1969.
Angkor Airways was created in 2004.