After the 1356 Golden Bull, this was the total number of electors who chose the Holy Roman Emperor.
Before Wessex united them against the Vikings, this number of Anglo-Saxon kingdoms ruled over ninth-century England. An English king with this regnal number faced the impostors Lambert Simnel and Perkin Warbeck. After the 1356 Golden Bull, this was the total number of electors who chose the Holy Roman Emperor. This number of United Provinces broke from Spain to form the Netherlands. The victor of the Wars of the Roses was a Henry with this regnal number. For 10 points, give this number that was also the number of hills Rome was built on.
Before Wessex united them against the Vikings, this number of Anglo-Saxon kingdoms ruled over ninth-century England.
seven [or the seventh; accept Heptarchy during the first sentence]