they began theortically in 1804, when napoleon was crowned.
The Napoleonic wars went on from the the year 1800 through 1815.
After the Napoleonic Wars the French King Louis XVIII was restored to the throne and France returned to the borders of the year 1789, while Napoleon was confined in the island of St.Helena
1861
2001
spanish
1982
Most historians have choosen the year 1961, to begin the war.
The cold war began in 1948.
The Napoleonic Wars.
1803
World War Two began in 1939.