There has been five.
many wars happened across grecce
Balkan Wars happened on 1912-10-08.
Throughout history there have been too many wars to list here--wars rage on to this very day.
Syria
Yavapai Wars happened in 1861.
Space Wars happened in 1977.
The Persian Wars lasted from 499-448 BC. The Pelopenesian Wars lasted from 431-404 BC So the answer is: The Persian Wars happened first.
Meteos Wars happened in 360.
Ozma Wars happened in 1978.
Mytran Wars happened in 2009.
X-Wars happened in 2002.
Gemini Wars happened in 2012.