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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Thomson Airways was created in 2008.
Westminster Airways was created in 1946.
MidAtlantic Airways was created in 2002.
Bluebird Airways was created in 2008.
Ambassador Airways was created in 1992.
Helvetic Airways was created in 2003.
Moscow Airways was created in 1991.