They sought to reconquer Europe for the Roman Catholic Church.
The Picts and Britons now recovered their independence; for Aldfrith, apparently an illegitimate son of Oswio, who succeeded, made no attempt to reconquer them.
In the year 551 Germanus, nephew of Justinian, accompanied by his bride, Matasuntha, grand-daughter of Theodoric, set forth to reconquer Italy for the empire.
In 170 Egypt, governed by regents for the boy Ptolemy Philometor, attempted to reconquer Palestine; Antiochus not only defeated this attempt but invaded and occupied Egypt.
Two years later came a most formidable outbreak; the sultan was denounced as false to Islam, and the Bosnian nobles gathered at Banjaluka, determined to march on Constantinople, and reconquer the Ottoman empire for the true faith.