The bicorne or bicorn is a hat widely adopted in the 1790s as a form of military headgear by European militaries. Bicornes saw widespread usage during the French Revolutionary and Napoleonic Wars, and
Early bicorne from France, c. 1790
Napoléon Bonaparte in his characteristic side-to-side bicorne hat (detail from an 1810 painting by Joseph Chabord)
Grand Admiral Alfred von Tirpitz wearing a fore-and-aft bicorne (photograph from World War I-era postcard)
British Army cocked hat with General officer's plume, worn by Lord Dannatt (Constable of the Tower)
Napoleon Bonaparte, later known by his regnal name Napoleon I, was Emperor of the French from 18 May 1804 until his first abdication in 1814, with a brief restoration during the Hundred Days in 1815.
Bicorne
…usage during the French Revolutionary and Napoleonic Wars, and the hat survived as widely-worn full-dress headdress until the 20th century. Historic use Napoléon Bonaparte in his characteristic side-to-side bicorne hat (detail from an 1810 painting by Joseph Chabord) Grand Admiral Alfred von Tirpitz wearing a fore-and-aft…
Napoleon's father, Carlo Buonaparte, fought for Corsican independence under Pasquale Paoli. After their defeat, he eventually became the island's representative to Louis XVI's court.
Bonaparte, aged 23, as lieutenant-colonel of a battalion of Corsican Republican volunteers. Portrait made in 1835 by Henri Félix Emmanuel Philippoteaux.
Bonaparte at the Siege of Toulon, 1793, by Édouard Detaille