Libertad o Muerte! Pt. XXXIII - 1857
The Second Battle of La Paz
After a very cold and quiet winter the troops were nearly in the same place as in autumn of 1856 (
map). Though the troops haven't moved all winter long they were everything but well rested or well nurished. The long months in cold and muddy trenches and foxholes caused many casualties among platinean and peruvian soldiers.
But with the snowmelt the peruvian troops stuck there noses out of the soil again and began their spring offensive. By the first days of march peruvian forces began their march onto La Paz. For this purpose the peruvian prime commander General Dionisio had forged an enourmous army out of three former corps with heavy artillery support.
News of the imminent assault reached General Urquiza's headquarter and the Army of the Andes very quickly and the efforts to fortify the city were increased again. The town major requested all civilians unfit to defend the city to leave in order to minimize civilian casualties. Many civilians were panicking as they were informed about the upcoming peruvian assault. Stories about peruvian atrocities in the occupied territory were told all around the city now. And numerous civilianze primary women and children would have left the city but the snowmelt transformed almost all roads in the region into impassable dirt pits and the nights were still freezing cold. So way too many civilians stayed, choosing the threats of misleaded canonballs and atrocites instead of the threats of an illprepared flight over several hundred miles.
On April 4th Dionisio's army, 34,000 men strong, took position in sight of the city. The peruvian troops build up their camp but didn't attack the city. General Dionisio tried to provoke his counterpart to some kind of reaction so he could attack the platineans outside their fortified positions. After to days of waiting General Dionisio sent a letter to General Urquiza and the inhabitants of La Paz in which he expressed his wish to minimize casualties among the civilians and asked General Urquiza to declare La Paz an open city. If the platinean command accepts his offer he promised uncontested withdrawal for the platinean troops. He gave Urquiza twentyfour hours time for consideration.
The ultimatum phased out without a reply of Urquiza or the town major and this the siege began with heavy bombardement in the evening of April 7th.
In the first days of the siege everything the peruvians did was shelling the city from the surrounding hills and their makeshift positions. Due to the heavily advanced artillery pieces which were introduced only two years early in the peruvian army the peruvians had both an higher rate of fire and a greater range. Platinean counter-fire was meager at best and those few hits that were made seemed to be nothing but lucky shots. Due to the need of good lighting conditions the artillery bombardment was limited from dawn to dusk in these first days.
But with the arrival of more peruvian troops the bombardement was also continued during the night using several fires which were burning throughout the city to aim. The peruvians were soften up the defenses. On April 19th the city seemed to be ripe for attack. And the peruvian assault indeed went smoothly at first. But then they got stuck in the streets of La Paz due to heavy resistance of regular troops and civilians which made every street, every house and every garden to a battlefield. The peruvian rifles were not superior to the platinean ones as their artillery pieces had been and thus the battle became more even. Technology was now less important, moral and supplies became more important every day.
But the defenders had neither in such a manner like the peruvian soldiers. While the defenders had to fight every day in the smoldering ruins the city of La Paz had become the attackers had enough troops to withdraw whole regiments to give receive some rest and reorganization. Furthermore were the defenders slowly running out of ammunition due to a artillery hit to the armory.
Moral crumbled and the dead piled up in the streets. General Urquiza, who had given the order to shoot every man who was fleeing, now had to recognize that the city could no longer be held. Inthe early hours of May 7th he ordered to blast the last remaining fortifications and to withdraw from the city immediately. Many civilians especially the drafted men who had fought alongside the regular troops were begging to join the retreat of the regulars, fearing they could be treated badly by the peruvians, but were turned away by General Urquiza as this would have slowed down the withdrawal.
The fears of the irregular troops were legitimate as the following days had proven. Many irregulars were shot on sight as the peruvians entered the city uncontested others were executed in the following days. But this was by far not the worst the civilian population had to endure. In the first hours after the city had been fallen the peruvian troops went on a rampage. In a murderous frenzy the troops plundered, raped and burned.
After the platinean troops had been driven out of the city after weeks of vicious street fighting, the peruvians commited countless atrocities among the citizens of La Paz.
After the fall of La Paz on May 7th the situation of the platinean army was as worse as it could probably be. The most important and populated city in the whole region had fallen into enemy hands, the same city which General Urquiza, platinean high commander, declared the lynchpin of the whole war.
With La Paz lost there wasn't only a wide unprotected gap in the platinean line of defense which could easily be used by the peruvians to march uncontested into the platinean hinterland but also the supply lines to the troops in the northern theatre were cut off.
While Dionisio's army was still taking control of La Paz he ordered the 3rd and 4th peruvian corps, on his left wing, to attack Ixiamas in order to cut off Urquizas retreat lines.
After the long siege of La Paz the city had to be surrendered to the peruvians in early may. Urquizas troops retreated northwards while peruvian General Dionisio led his troops into the exposed gap between General Mitre's army in the north and General Arteagas force at the pacific coast. The map shows troop movements around May 15th.