[Illustration: ASSASSINATION OF CARAUSIUS.]

After Constantius, who died 306 A.D., came Constantine the Great, his
son by a British princess.

Under Constantine peace again reigned, but the Irish, who desired to
free Ireland even if they had to go abroad and neglect their business
for that purpose, used to invade Constantine's territory, getting him up
at all hours of the night and demanding that he should free Ireland.

These men were then called Picts, hence the expression "picked men."
They annoyed Constantine by coming over and trying to introduce Home
Rule into the home of the total stranger.

The Scots also made turbulent times by harassing Constantine and seeking
to introduce their ultra-religious belief at the muzzle of the crossgun.

Trouble now came in the latter part of the fourth century A.D., caused
by the return of the regular Roman army, which went back to Rome to
defend the Imperial City from the Goths who sought to "stable their
stock in the palace of the Caesars," as the historian so tersely puts
it.

[Illustration: THE PICTS INCULCATING HOME RULE PRINCIPLES.]

In 418 A.D., the Roman forces came up to London for the summer, and
repelled the Scots and Picts, but soon returned to Rome, leaving the
provincial people of London with disdain. Many of the Roman officers
while in Britain had their clothes made in Rome, and some even had their