The Constitution of the Year X was a national constitution

Constitution

A constitution is a set of fundamental principles or established precedents according to which a state or other organization is governed. These rules together make up, i.e. constitute, what the entity is...

 of France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 adopted during the Year X (10) of the French Revolutionary Calendar (1802 in the Gregorian calendar

Gregorian calendar

The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

). It amended the Constitution of the Year VIII

Constitution of the Year VIII

The Constitution of the Year VIII was a national constitution of France, adopted December 24, 1799 , which established the form of government known as the Consulate...

, revising the Consulate

French Consulate

The Consulate was the government of France between the fall of the Directory in the coup of 18 Brumaire in 1799 until the start of the Napoleonic Empire in 1804...

 to augment Napoleon Bonaparte's authority by making him First Consul for Life.

Both the Constitution of the Year X and the Constitution of the Year VIII were further amended by the Constitution of the Year XII

Constitution of the Year XII

The Constitution of the Year XII was a national constitution of France adopted during the Year XII of the French Revolutionary Calendar ....

, which established the First French Empire

First French Empire

The First French Empire , also known as the Greater French Empire or Napoleonic Empire, was the empire of Napoleon I of France...

 with Napoleon as Emperor

Emperor

An emperor is a monarch, usually the sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife or a woman who rules in her own right...

.