Just change neil to Neil.
Also it is usual to write Moon with a capital M.
Neil Armstrong was the first astronaut to walk on the moon
No, Neil Armstrong was not the first astronaut, nor was he among the original seven astronauts. He was, however, the first astronaut to step foot on the moon.
The first astronaut to land on the moon was Neil Armstrong. Neil Armstrong and Edwin Aldrin were the first men to walk on the moon.
Neil Armstrong
Neil Armstrong was the first astronaut to step foot on the moon on July 20, 1969, during the Apollo 11 mission.
No, the word astronaut is not capitalized in that sentence.
neil armstrong
Neil Armstrong
No, you do not capitalize "first birthday" in a sentence.
Neil Armstrong was the first astronaut to walk on the moon
No, Neil Armstrong was not the first astronaut, nor was he among the original seven astronauts. He was, however, the first astronaut to step foot on the moon.
Neil Armstrong.
Neil Armstrong.
Neil Armstrong
The first astronaut to land on the moon was Neil Armstrong. Neil Armstrong and Edwin Aldrin were the first men to walk on the moon.
Neil Armstrong 1969
You do not capitalize chickenpox in a sentence. The exception is if the word is the first in the sentence.