Famous Firsts During the Civil War
Workable machine gun
Successful submarine
American president assassinated
Hot air ballons used in wartime
Cigarette tax
flamethrowers
Medal of Honor
Repeating rifles
Revolving gun turrets
The bugle call "Taps"
Personal income tax
Telescopic sights for rifles
Withholding tax
Army chaplins
Landmine fields
Nursing corp
Photography of battles
