Playgroung of the great powers

The Portuguese family that sought to Brazil in 1807 was The Bolonha.

Which nation invaded Portugal during the same time the portuguese royal family ran away to Brazil?

Napoleon was the one who ordered the invasion of Portugal.

Duke of Wellington allowed the French to retreat on British ships, taking their loot, the nation's art treasures.

The french military dictatorship was replaced back by a portugese one.

Once freed, the portugese engaged in a peaceful civil war.