Fought June 10, 1807, between 30,000 French, under Marshal Soult, and 80,000 Russians, under General Bennigsen. The Russians occupied the heights on both sides of the Alle, and the plains below, being in greater force on the left bank. The French attacked and drove the Russians into the entrenchments, but could make no further progress, and night put an end to an obstinate but inconclusive conflict, in which the Russians lost about 10,000, the French, 8,000 killed and wounded.
Hekitai-Kan (Invasion of Korea).
Fought 1595, between the Japanese, under Kobayagawa Takakage, and the Chinese, under Li Chin. The Chinese were utterly routed, Li's army being almost annihilated, and he himself escaping with difficulty from the field.
Heligoland (Napoleonic Wars).
This island was captured, August 31, 1807, from the Danes, by a small British squadron, under Admiral Thomas Russell.
Heliopolis (French Invasion of Egypt).
Fought March 20, 1800, between 10,000 French, under Kléber, and about 70,000 Turks, under Ibrahim Bey. The Turks were utterly routed, with a loss of several thousand men, while the French only lost about 300 killed and wounded.
Hellespont (War of the Two Empires).
Fought 323, between the fleet of Constantine the Great, consisting of 200 small galleys, under Crispus, and that of Licinius, numbering 350 sail, under Amandus. After two days' hard fighting, Crispus forced the passage of the Hellespont, and totally routed the Eastern fleet, with a loss of 130 ships and 5,000 men.