238 years is actually decently long for a continuous system of government. Older countries like the UK, France, Russia or China tend to actually be a series of

238 years is actually decently long for a continuous system of government. Older countries like the UK, France, Russia or China tend to actually be a series of constitutions/monarchies/dynasties that rarely last longer than 300 years at a go. France is the 5th Republic, the Russian Federation is a little over 20 years old, the CCCP a little over 60.