1800 in Spain

Events from the year 1800 in Spain.

Incumbents

 * Monarch – Charles IV

Events

 * 1805 - Battle of Trafalgar, ended Spanish sea power
 * 1808 to 1813 - Peninsular War
 * 1813 to 1824 - Spanish Empire Collapse
 * - Battle of Puerto Plata Harbor
 * - Ferrol Expedition (1800)
 * - Third Treaty of San Ildefonso