No. It was Eris who reveled in instigation and stirring up strife. She along with Ate, the goddess of ruin and delusion, who always liked to trick the gods into getting mad at one another (until she got booted off Olympus for being terrible).
But despite being the god presiding over war, he never started, nor ended, any war. Only participated to make them worse and worse.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)