Which of these sentences uses correct capitalization?
Did you know that a Swedish engineer designed the Monitor, an Ironclad ship in the Civil War?
Did you know that a Swedish engineer designed the Monitor, an ironclad ship in the Civil war?
Did you know that a Swedish Engineer designed the Monitor, an ironclad ship in the Civil War?
Did you know that a Swedish engineer designed the Monitor, an ironclad ship in the Civil War?
Did you know that a Swedish engineer designed the Monitor, an Ironclad ship in the Civil War?
Did you know that a Swedish engineer designed the Monitor, an ironclad ship in the Civil war?
Did you know that a Swedish Engineer designed the Monitor, an ironclad ship in the Civil War?
Did you know that a Swedish engineer designed the Monitor, an ironclad ship in the Civil War?