Time line
The timeline is 1500 BC-300 ad the first trumpet to be recorded is the ceramic trumpet this trumpet like many others was used in the military. Next is the renaissance natural trumpet it's years are 1400th - 1900th it was used in kingdoms and battles. next is the early 20 century trumpet the keyed trumpet is not that used in modern performances it had no valves most like trumpets before this one. It was soon outranked by the modern most used today valved trumpet this is the one with the keys at the top. ( there are other trumpets but could not find information)