battle, major, early modern
La Noche Triste
La Noche Triste was a battle fought on 30 June 1520 at Lake Texcoco, in what is now Mexico; it lasted 1 day. It was part of the Spanish conquest of the Aztec Empire, which ran from 1519 to 1521. The recorded result: Mexica victory. Recorded strength: Varies; likely 1,000–2,000 Spanish and 12,000 Tlaxcaltec native allies against 20,000 Aztec warriors; likely more in reserves.
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Where it sits in the Spanish conquest of the Aztec Empire
Record
| Date | 30 June 1520 to 1 July 1520 | |
|---|---|---|
| Place | Lake Texcoco, Mexico 30.664N, 109.235W | |
| Kind | Battle, early modern | |
| Strength | Varies; likely 1,000–2,000 Spanish and 12,000 Tlaxcaltec native allies | 20,000 Aztec warriors; likely more in reserves |
| Casualties and losses | Between 800 and 1200 Spanish killed, drowned, or captured; around 4,000 Tlaxcaltecs killed or captured | Unknown |
| Commanders |
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The ground today


The recorded site stands at about 1,530 m; within 10.0 km the ground runs from 935 to 2,253 m, 1,318 m of relief, mountainous country and today it is 63% shrubland, 31% tree cover, 6% grassland.
Elevation from the Copernicus DEM GLO-30 (ESA, Airbus); land cover from ESA WorldCover 2021 (CC BY 4.0), within about 5 km of the recorded site. Computed, not recorded.Nearest engagements
- Siege of Naco 1929, 100 km NW
- First Battle of Terrenate 1776, 152 km NW
- Second Battle of Dragoon Springs 1862, 163 km NW
- First Battle of Dragoon Springs 1862, 166 km NW
- Battle of Apache Pass 1862, 167 km N
In the same war
- Before: Battle of Cempoala 1520
- After: Battle of Otumba 7 July 1520
- All 13 engagements of Spanish conquest of the Aztec Empire
Elsewhere in 1520
- Battle of Bogesund Sweden
- Battle of Raichur India
- Battle of Tordesillas Spain
- Battle of Mokhisi Georgia
- Battle of Pago Malaysia
La Noche Triste is one of 1,390 engagements of the 16th century in the atlas and one of 160 in present-day Mexico.
Sources
Identity, coordinates, dates and the war from Wikidata Q1308854, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article La Noche Triste, revision 1370626402, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.