Invasion of Algiers (1775)

The invasion of Algiers was a massive and disastrous amphibious attempt in July 1775 by a combined Spanish and Tuscan force to capture the city of Algiers, the capital of the Deylik of Algeria. The amphibious assault was led by Spanish general Alexander O'Reilly and Tuscan admiral Sir John Acton, commanding a total of 20,000 men along with 74 warships of various sizes and 230 transport ships carrying the troops for the invasion.

Source: Wikipedia — Invasion of Algiers (1775) (CC BY-SA 4.0)