'They are ringing their bells now,
they will be wringing their hands soon!" (unsure about the order of the words) Declared Sir Robert Walpole - Britain's Prime Minister - as The War of Jenkins' Ear. started in 1739. And the quote has been invoked about the Afghanistan conflict and maybe all other conflicts; if not, it ought to be.
And here is a headline in the NY Times (Jan. 16, 1991):
CONFRONTATION IN THE GULF: War Supplies; Somber Workers Press to Fill A Rush Order for Body Bags.
"War is not a game"; and we should condemn "the casualness with which some of these folks talk about war,"