By 1200, the Swiss plateau comprised the dominions of the houses of Savoy, Zähringer, Habsburg, and Kyburg. Some regions (Uri, Schwyz, Unterwalden, later known as Waldstätten) were accorded the Imperial immediacy to grant the empire direct control over the mountain passes. With the extinction of its male line in 1263 the Kyburg dynasty fell in AD 1264; then the Habsburgs under King Rudolph I (Holy Roman Emperor in 1273) laid claim to the Kyburg lands and annexed them extending their territory to the eastern Swiss plateau. COUNT 5
QSN1 In 1200, what area did the houses of Savoy, Zahringer, Habsburg, and Kyburg comprise? ANS1 the Swiss plateau QSN2 In 1264 AD, what caused the Kyburg dynasty to fall? ANS2 extinction of its male line in 1263 QSN3 Who claimed the Kyburg lands after their fall in 1264 AD? ANS3 the Habsburgs QSN4 Which Holy Roman Emperor were the Habsburgs under in 1273 AD? ANS4 King Rudolph I QSN5 What did the three regions of Uri, Schwyz, and Unterwalden become known as? ANS5 Waldstätten