700 yrs give or take a few decades.
The Chinese made the first gun from bamboo.
Bohr
I think Hiram Maxim was chiefly involved in the creation of the machine gun. There were other developers.
it devoloped from the first form of writing in ancient mesopotamia by sumarians in 1000b.c
it was the first flush toilet
Defense against possibility of Nazi Germany possibility building them first.
Paul Baran devoloped the first computer network in 1962
Try these sources: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com You will first need to identify the actual manufacturer.
Modern numbers are called Arabic numbers, so.....
second phase because the first one is not devoloped yet
The Summerians did and they also created the first civilization by establishing an agricultural community in Mesopotamia region.
second phase because the first one is not devoloped yet
it has devoloped over time because more electrics and objects were introduced to it