Ruling Houses of England
 House of Tudor: 1485—1603
 House of Stewart: 1603—1714
 House of Hannover: 1714—1917
 House of Windsor: 1917—Present
 Consider the list of events on the left. Which interval spacing should be used to create a timeline of these events?
 5 years
 10 years
 20 years
 100 years