 The Seven Years' War (1754 and 1756–1763] that enveloped both European and colonial theaters involved all the major European powers.France was at the center of attention with the Napoleonic Wars starting from the French Revolution, the combined conflicts lasting from 1792 and ending in 1815 with the defeat of Napoleon.The German states, headed by Prussia, taking a century of recovery from the devastation of the 30 Years' War, started a series of victorious wars first starting with the Danish-Prussian War (1864), Austro-Prussian War (1866), and ending in the Franco-Prussian War (1870–71) that resulted in the reunification of Germany forming the German Empire.