Acamapichtli

Acamapichtli (, meaning "Handful of reeds") was the first "Tlatoani", or king, of the Aztecs (or Mexica) of Tenochtitlan, and founder of the Aztec imperial dynasty. He became ruler in 1376 and reigned for 19 years.
Biography.
Family and early life.
Acamapichtli was not a native of Tenochtitlan. Blood relationships between rulers were an important aspect of politics in 14th century Mexico, and as relative newcomers, the Mexicans were at a disadvantage. On the death of Tenoch in 1375, the elders of the Mexica "calpultin" decided to elect a "tlatoani" who could secure the fledgling city's position through ties to powerful groups in the region. They sent a delegation to the leaders of Culhuacan. Although the Culhua had only recently ejected the Mexica from Tizaapan, some intermarriage had taken place between the two peoples during their period of association. Acamapichtli was the product of one such union. His father, Opochtli Iztahuatzin, was a Mexica leader, while his mother Atotoztli I was the daughter of the King Coxcoxtli and sister of King Huehue Acamapichtli. He also had ties to the Acolhua of Coatlinchan. In addition to these concrete ties, the Culhua nobility claimed direct descent from the Toltecs, making their bloodline particularly prestigious.
The Spanish colonial historians Diego Durán, Fernando de Alva Cortés Ixtlilxochitl, and Fernando Alvarado Tezozómoc each mention Acamapichtli's maternal uncle, who occupied the throne of Culhuacan in 1324.
Reign.
Acamapichtli began his rule as "cihuacóatl" (governor). At the time of his designation he was 20 years old, living in Texcoco with his mother. After his acceptance of the throne, he was brought to Tenochtitlan and made his entry into the city with great pomp. He married Ilancueitl, daughter of the then ruler of Culhuacán, Acolmiztli.
To integrate these ties with the city of Tenochtitlan, Acamapichtli took a wife from each Tenochtitlan "calpulli" (in addition to his first wife Ilancuetl).
In the same year, Tenochtitlan's sister city of Tlatelolco also installed an outsider as "tlatoani" — Cuacuapitzahuac, son of Tezozómoc, "tlatoani" of the Tepanec city of Azcapotzalco, the other major power in the region.
Despite Acamapichtli's Culhua ancestry, his city rapidly fell into the Tepanec orbit and became a tributary of Azcapotzalco. During his reign Mexica forces fought for Azcapotzalco against various city states, notably Chalco, and were eventually allowed to wage war on their own. Expeditions were sent against Cuauhnahuac (modern Cuernavaca) and Xochimilco.
Tribute was due to the Tecpanec rulers every full moon, a tribute said to be oppressive and capricious. In spite of the hostility of Azcapotzalco, Tenochtitlan progressed. The island on which the city was situated (and the only territory subject to its rule) was enlarged to the east with the addition of dirt and rock. The Mexica were careful, however, to maintain a proper distance from the mainland, for defensive purposes in the event of war.
Built in the middle of Lake Texcoco, Tenochtitlan suffered from limited farmland. Acamapichtli built up the city's agricultural base by expanding the "chinampa" system ("floating" gardens) around the island, and by capturing lakeshore chinampas from other cities, particularly Xochimilco. He also made improvements to the city's architecture — the earliest excavated level of the Great Pyramid, Temple II, dates to his reign.
During his reign, the city was divided into four neighborhoods or "calpullis": Moyotlán in the southwest; Zoquipan in the southeast; Cuecopan in the northwest; and Atzacualco in the northeast. Houses of cane and reeds were replaced with houses of stone. A great temple, or "teocalli", was also constructed. It is said that during his reign, the first Aztec laws were made.
In 1382, Acamapichtli was named "tlatoani". He was crowned with even more pomp than before, at the altar of Huitzilopochtli. He ascended the steps accompanied by the highest-ranking warriors. He was anointed with oil and water by the chief priest, who placed on his head the crown or "xiuhuitzolli". This same ceremony was repeated in all the subsequent Aztec coronations, with the difference that, from 1427, the new "tlatoani" was accompanied by the rulers of Texcoco and Tlacopan, the other two towns of the Aztec Triple Alliance.
Acamapichtli was an astute politician who strengthened his position more by alliances with his neighbors than by wars (of which there were only two or three during his reign). He avoided difficulties with the more powerful rulers, in the case of Tezozómoc, by paying the demanded tribute. Tezozómoc asked for a chinampa cultivated with beautiful flowers, and the Aztecs formed one, raised the flowers, and floated the chinampa to him over the lake.
Heirs and succession.
Acamapichtli's first wife bore him no children, so he took another wife, Tezcatlan Miyahuatzin. She was the mother of Huitzilíhuitl, who succeeded to the throne after the death of his father. Another son of Acamapichtli, Itzcóatl, also became "tlatoani" in 1427. He was the son of a beautiful slave Acamapichtli had bought in the market of Azcapotzalco. She was of noble birth, but had been captured and enslaved. Although "tlatoani" was not strictly a hereditary title, candidates were clearly restricted to a small class of princes, and all later Aztec rulers descended from Acamapichtli.
Before his death, Acamapichtili called together the chiefs of the four neighborhoods into which he had divided the city, and asked them to elect his successor. Before the death of Acamapichtili, they chose his eldest son Huitzilíhuitl. Acamapichtili approved the election, and then died. After the death of his father, Huitzilíhuitl consolidated his power by ordering a new election, with more electors, including important warriors and priests.
Personal life.
Among his wives were Ilancueitl, Tezcatlan Miyahuatzin, Huitzilxotzin, and Xiuhcuetzin. 