Now, I believe that war is never inevitable until it starts, but there has been a great proclivity in human history, and including in recent history, for war.

Kirby T. Kirby (1867–1934) American politician
William Forsell Kirby (1844–1912) English entomologist & folklorist
William T. Kirby (1911–1990) businessman
William Kirby (footballer) Gaelic footballer
William Kirby (cricketer) (born 1981) English cricketer
Will Kirby (born 1973) American Big Brother contestant
Bill Kirby (born 1975) Australian swimmer
Cam Kirby (William J.