By the summer of 1819, Simon Bolivar's campaign to liberate New Granada had reached its most desperate phase. His republican army, exhausted after crossing the Paramo of Pisba at elevations above 4,000 meters, descended into Boyaca to face the Spanish forces commanded by Colonel Jose Maria Barreiro. Bolivar's troops were a ragged collection of Venezuelan llaneros, New Granadan volunteers, and a British Legion, many of them half-starved and suffering from altitude sickness. Barreiro's Spanish regulars were well-supplied, well-positioned, and confident. The two armies collided on July 25 near the Vargas Swamp, a marshy expanse that favored the defenders. Initial infantry clashes went poorly for the republicans, and when Spanish cavalry attempted a flanking maneuver, Bolivar's position appeared ready to collapse.

Colonel Rondon, a veteran of the Battle of Queseras del Medio and a llanero horseman who had spent his life in the saddle on the Venezuelan plains, saw the moment before anyone else did. The Spanish cavalry, pressing their advantage, had crowded onto a narrow track through the swampland where their numbers became a liability rather than an asset. Rondon gathered his small detachment from the Llano Arriba squadron, fourteen lancers armed with nothing more than sharpened poles, and charged. The impact was devastating. In the confined space of the swamp track, the Spanish horsemen could not maneuver, could not bring their numbers to bear, could not retreat without trampling their own ranks. Rondon's lancers drove into them with a fury born of months of hardship and years of colonial resentment. Bolivar's main force surged forward in support. By the time Barreiro's army fell back, covered by the 2nd Numancia Battalion, the Spanish had suffered 500 casualties. The road to Bogota was open.

A century and a half later, Colombian artist Rodrigo Arenas Betancourt and engineer Guillermo Gonzalez Zuleta created a monument equal to the event. Dedicated in 1970 on the 150th anniversary of Colombian independence, the sculpture depicts the fourteen soldiers and their horses suspended in mid-air, frozen at the instant of their charge, framed within a sweeping concrete structure that spans 100 meters in length and 30 meters in width. The effect is startling. Seen from the highway or from the air, the bronze figures appear to be leaping from the earth itself, horses and riders caught between ground and sky. Arenas Betancourt, known for his monumental works across Colombia, designed the piece to convey not just historical fact but the emotional reality of the charge: the terror, the commitment, the raw physical violence of men on horseback crashing into a disciplined line.

The monument stands along Boyaca's Ruta Libertadora, a designated tourism route that traces Bolivar's 1819 campaign through the municipalities of Paipa, Pantano de Vargas, and onward to the Bridge of Boyaca where Barreiro was finally defeated on August 7. Visitors who stop at the monument often pause at the plaque listing the fifteen names: Rondon, Mellao, Garcia, Lara, Mirabal, the two Gutierrez brothers, the two Segovia brothers, and the others who rode with them. Some were captains, some were lieutenants, one was a sergeant. All were llaneros from the Venezuelan plains, men for whom a horse and a lance were as natural as breathing. Today their charge is remembered as one of the decisive moments of the Colombian War of Independence, and the monument that commemorates it remains the largest sculptural work in Colombia, visible for kilometers across the green Boyaca valleys where they fought.