Cien Cañones por Banda is a set of rules that allows to simulate fast but elegantly any naval battle of the 1750-1830 period. The battles range from the Napoleonic wars to the battles of South American independence to the American Revolution. The ships represented, rated for crew, crew morale, firepower, speed and hull, range from the nimble frigates to the Victory, Nelson's flagship at Trafalgar to the biggest sail and wood ship-of-the-line ever built, the 130-gun, 4-decker Santísima Trinidad, also known as "The Escorial of the Seas". the admirals represented include Gravina, Nelson or Villeneuve. In this first installment of Cien Cañones por Banda there are ships, scenario rules and leaders to simulate the following battles: Cape St. Vincent 1797 "The Prelude" Finisterre 1805: "Brothers in Arms" Trafalgar 1805: The Abyss of an Empire Trafalgar 1805: "The Gravina Touch" (hypothetical scenario)