There is no usage guidance for this tag … yet!
Usage guidance, also known as a tag wiki excerpt, is a short blurb that describes when and why a tag should be used on this site specifically.
The first tanks were built by British constructors and used at first during the Battle of Somme in 1916. The use of tanks were significantly extended by Wehrmacht during the ww2.
At the moment tanks are main weapon in many armies in the world.
Consider also using weapons tag for other types of weaponry.