Battle of Lomas Valentinas

Battle of Lomas Valentinas
	Part of the Paraguayan War
	; The Marquess of Caxias leading the troops in Lomas Valentinas
Date	December 21–27, 1868
Location	Itá Ybaté, Central Department, Paraguay25°35′29″S 57°31′3″W / 25.59139°S 57.51750°W
Result	Allied victory
Belligerents
Paraguay	Empire of Brazil; Argentina; Uruguay;
Commanders and leaders
Francisco López; Francisco Resquín; Bernardino Caballero;	Luis de Silva; José Barreto; Jacinto Bittencourt; Joaquim Neves (DOW);
Strength
Over 3,000	19,415
Casualties and losses
3,000; 1,500 killed; 1,500 captured	3,270:; Argentina: 64 killed and 283 wounded; Brazil: 382 killed and 2,461 wounded; Uruguay: 80 casualties

The Battle of Lomas Valentinas (also known as the Battle of Itá Ybaté) was fought in the Central Department of Paraguay on December 21–27, 1868. The Paraguayan Army, led personally by president Francisco Solano López, was decisively defeated, though López managed to escape. On 30 December 1868, the Paraguayan garrison at Angostura, with 1,907 men, surrendered to the Allies.