there have been close to 268 wars and the last 100 years
There were twelve civil wars in the last 64 years of the Roman Republic. There were also civil wars during the the fifty years of the Crisis of the Third century (AD), in 313, 324 and 350-51. At times there were riots. There were murders and there was violent crime.
the seminole wars last about 7 years.
Other 10 years
many wars happened across grecce
Balkan Wars happened on 1912-10-08.
The War(s) of Roses
No. Halo Combat Evolved happened about 20 years after the events of Halo Wars.
There were three wars over a period of 120 years.
You need to be more specific. Rome fought at least hundreds of wars in her 1,200 years of history.
There has been five.
Throughout history there have been too many wars to list here--wars rage on to this very day.