Late 1300s/ early 1400s. No exact date.
No, firstly is an adverb.First, however, can be used as a noun or an adverb (or an adjective, for that matter), and can always be used in place of firstly.
hand guns , long guns, Air guns , Rifle these are used as a firearms .
gunpowder can be used for guns and fireworks
Muskets were the type of guns used in 1690. Pistols were also common types of guns that were used in 1690.
Long guns and hand guns
1949
Yes. Firstly is a word used to introduce a point or reason. Example: "Firstly company profits have tripled in the last week".
Hand guns and long guns.
The guns used in war to shoot down planes are called antiaircraft guns.
Gunpowder NEVER WAS used to make guns.
machine guns and rifles
What is with you and guns.... ?