In 806 a Muslim army of 135,000 men invaded the Empire.
Their life together is interrupted when Napoleon invades the Russian Empire.
Suppose there is a race of alien creatures intent on invading the Empire by force and seizing our planets.
Nor could she allow an enemy to invade the Empire to kidnap royal hostages at will.
They must be taught not to invade the Empire.
The Beta Israel forces invaded the Ethiopian Empire in 1462 but lost the campaign and many of its military forces were killed.
When Michael was deposed, Robert took this as an excuse to invade the Byzantine Empire in 1081.
For the next five years, the Huns stayed out of Roman sight as they tried to invade the Persian Empire.
Our governments are not at war--yet you invade us and dare to insult the Empire.
He then invaded the Empire and nearly destroyed it before he was narrowly defeated by Sigmar in a great battle.