|First Battle of Porto|
|Part of the Peninsular War|
Marshall Soult surveys the broken bridge as Oporto falls to the French on 29 March 1809. In the foreground a grenadier rescues an orphaned baby.
|Commanders and leaders|
|Caetano José Vaz Parreiras||Nicolas Jean de Dieu Soult|
About 24,000 men:
|21,500 men including 3,100 cavalry|
|Casualties and losses|
|10,000||2,100 killed and wounded|
In the First Battle of Porto (March 28, 1809) the French under Marshal Soult defeated the Portuguese, under General Parreiras, and the British Army, outside the city of Porto during the Peninsular War. Soult followed up his success by storming the city.
It is estimated that 8,000 soldiers perished in the attack and that a great number of civilians were killed.
Soult's invasion of Portugal
After the Battle of Corunna, Napoleon ordered Marshal Nicolas Soult to invade Portugal from the north. He was to seize Porto by 1 February and Lisbon by 10 February. Napoleon failed to take into account either the wretched condition of the roads or the fact that a full-scale guerrilla war had broken out in Northern Portugal and Spain.
Soult's II Corps had four infantry divisions, commanded by Generals of Division Pierre Hugues Victoire Merle, Julien Augustin Joseph Mermet, Étienne Heudelet de Bierre, and Henri François Delaborde. Merle had four battalions each of the 2nd Light, 4th Light and 15th Line Infantry Regiments and three battalions of the 36th Line. Mermet's division included four battalions each of the 31st Light, 47th Line, and 122nd Line, and one battalion each of the 3rd, 4th and 5th Swiss Regiments. Heudelet led two battalions each of the 22nd Line and 66th Line, one battalion each of the 15th Light, 32nd Light, 82nd Line, Légion du Midi, Paris Guard, and Hanoverian Legion. Delaborde's command comprised three battalions each of the 17th Light, 70th Line, and 86th Line. General of Division Jean Baptiste Marie Franceschi-Delonne led Soult's corps cavalry, the 1st Hussar, 8th Dragoon, 22nd Chasseur à Cheval, and Hanoverian Chasseur Regiments. Attached were General of Division Armand Lebrun de La Houssaye's 3rd Dragoon Division and General of Division Jean Thomas Guillaume Lorge's 4th Dragoon Division. The 3rd Dragoon Division was made up of the 17th, 18th, 19th and 27th Dragoon Regiments. The 4th Dragoon Division consisted of the 13th, 15th, 22nd and 25th Dragoon Regiments. In all, Soult had 23,500 men, including 3,100 cavalry.
Soult's first attempt to invade Portugal was stopped by the local militia on February 16. The French then moved northeast to Orense in Spain, seized an unguarded bridge and marched south. On the way, Franceschi's cavalry overran Major General Nicolas Mahy's Spanish brigade at La Trepa on March 6, inflicting 700 casualties. The French crossed into Portugal and occupied Chaves on March 9.
From Chaves, Soult moved west to Póvoa de Lanhoso where he was confronted by Baron Christian Adolph Friedrich von Eben's 25,000-man army composed mostly of Portuguese militia armed with muskets, pikes, and agricultural implements. After waiting several days for all his troops to arrive, Soult went over to the attack. On 20 March 1809 in the Battle of Braga the French veterans butchered their adversaries. The outmatched Portuguese lost 4,000 killed and 400 captured. The French, who lost 40 killed and 160 wounded, also seized 17 Portuguese cannons.
Bishop Castro organized an army of 24,000 men to defend Porto.
Generals Lima and Parreiras commanded two battalions, each of the 6th, 18th and 21st Infantry Regiments, and one battalion of the 9th and other units. The 4,500 Portuguese regulars were supported by 10,000 ordenanças (militia) and 9,000 armed citizens. When Soult hurled Merle, Mermet, Heudelet, Franceschi and Lahoussaye at the Portuguese deployed north of the city, on the weakest part of the Portuguese line of defence, Castro's force soon dissolved and the battle became a massacre. The Portuguese tried to escape from the French in the city but were chased by the French cavalry throughout the streets, and their regular units were annihilated.
Thousands of fleeing civilians drowned when a bridge of boats across the Douro River (as soon as some Portuguese units started to sabotage the bridge to prevent the French from crossing the river) collapsed because of their weight and of Portuguese artillery fire (coming from the left side of the Douro) who were aiming at the French cavalry behind the Portuguese soldiers and citizens.
In the roadstead, Soult captured a squadron of Spanish naval vessels and 30 merchant ships. The French also found large stockpiles of British military stores. In the battle and storming of the city, the French lost 72 officers and 2,000 rank and file casualties. The Portuguese lost about 8,000 killed and 197 cannons captured.
Soult did not have very long to enjoy his success. Almost at once, the ordenanças cut his communications with Spain and a 1,800-man garrison was gobbled up by Francisco Silveira's Portuguese force in the Siege of Chaves. The French marshal started planning a retreat. The next action was the Battle of Grijó. The city was retaken on May 12 by the British and Portuguese under Wellesley in the Second Battle of Porto.
- Porto has traditionally been called Oporto by the British.
- Glover, Michael, The Peninsular War 1807-1814 Penguin, 1974.
- Hickock, William and York, Edward, York's Military History of the Peninsular War.
- Smith, Digby, The Napoleonic Wars Data Book Greenhill, 1998.
- Conquêtes, désastres, revers et guerres civiles des Français, de 1792 à 1815, par une société de militaires et de gens de lettres, Tome dix-neuvième, Paris, C. L. F. Panckoucke, Éditeur. p. 16, 17,18
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