The city of
Mexico stands on a slight swell of ground, near the centre of an irregular basin, and encircled by a broad and deep navigable canal.
The approaches to the city are over elevated causeways, flanked by ditches.
From these the capital is entered by arched gateways; and these, when the victorious
Americans approached the city (August, 1847), were strongly fortified.
When El Molino del
Rey and
Casa de Mata had been captured (Sept. 8, 1847), the castle of
Chapultepec alone remained as a defence for the city—this and its outworks.
The hill, steep and rocky, rises 150 feet above the surrounding country.
The castle was built of heavy stone masonry.
The whole fortress was 900 feet in length, and the terreplein and main buildings 600 feet. The castle was about 10 feet in height, and presented a splendid specimen of military architecture.
A dome, rising about 20 feet above the walls, gave it a grand appearance.
Two strongly built walls surrounded the whole structure, 10 feet apart and 12 or 15 feet high.
The works were thoroughly armed, and the garrison, among whom were some expert French gunners, was commanded by
General Bravo.
The whole hill was spotted with forts and outworks.
To carry this strong post with the least loss of men,
Scott determined to batter it with heavy cannon.
Accordingly, on the night of Sept. 11. four batteries of heavy cannon were erected on a hill between Tucabaya and
Chapultepec, commanded respectively by
Captains Drew,
Haynes.
and
Brooks, and
Lieutenant Stone.
They were placed in position by the
engineer officers Huger and
Lee (the latter afterwards commander-in-chief of the Confederate army). On the morning of the 12th these batteries opened fire, every ball crashing through the castle, and every shell tearing up the ramparts.
The .fire of the Mexicans was not less severe, and this duel of great guns was kept up all day. The next morning
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(13th) troops moved to assail the works, at their weakest point, in two columns, one led by
General Pillow and the other by
General Quitman.
Pillow marched to
assail the works on the west side, while
Quitman made a demonstration on the easterly part.
Both columns were preceded by a strong party—that of
Pillow by 250 of
Worth's division, commanded by
Captain McKenzie; and that of
Quitman by the same number, commanded by
Captain Carey.
Each storming party was furnished with scaling-ladders.
While the troops were advancing the
American batteries kept up a continuous fire over their heads upon the works to prevent reinforcements reaching the Mexicans.
Pillow's column bore the brunt of the battle.
It first carried a redoubt, and drove the Mexicans from shelter to shelter.
At length the ditch and the wall of the main work were reached; the scaling-ladders and fascines were brought up and planted by the storming parties; and the work was soon taken and the
American flag unfurled over the ramparts amid prolonged cheers.
Meanwhile
Quitman's column had moved along a causeway, captured two batteries, and joined
Pillow's column in time to share in the work of accomplishing a final victory.
Together they took the strong castle of
Chapultepec, and scattered its defenders in every direction.
It was literally torn in pieces; and within, a crowd of prisoners of all grades were seized, among them fifty
general officers.
There were also 100 cadets of the Military College, the latter “pretty little boys,” wrote an American officer, “from ten to sixteen years of age.”
Several of their little companions had been killed, “fighting like demons.”
The fugitives fled to the city, along an aqueduct, pursued by
General Quitman to the very gates engaged all the way in a running fight, which was sometimes severe.
See
Lee, Robert Edward;
Mexico, War with;
Pillow, Gideon Johnson;
Quitman, John Anthony;
worth, William Jenkins. 
