Answer the question at the end by quoting:

The Aztecs (), were a Mesoamerican culture that flourished in central Mexico in the post-classic period from 1300 to 1521, during the time in which a triple alliance of the Mexica, Texcoca and Tepaneca tribes established the Aztec empire. The Aztec people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica from the 14th to the 16th centuries. Aztec culture is the culture of the people referred to as Aztecs, but since most ethnic groups of central Mexico in the postclassic period shared basic cultural traits, many of the traits that characterize Aztec culture cannot be said to be exclusive to the Aztecs. For the same reason, the notion of "Aztec civilization" is best understood as a particular horizon of a general Mesoamerican civilization.
In the first 50 years after the founding of the Mexica dynasty, the Mexica were a tributary of Azcapotzalco, which had become a major regional power under the ruler Tezozomoc. The Mexica supplied the Tepaneca with warriors for their successful conquest campaigns in the region and received part of the tribute from the conquered city states. In this way, the prestige and economy of Tenochtitlan gradually grew.  In 1396, at Acamapichtli's death, his son Huitzilihhuitl (Nahuatl: "Hummingbird feather") became ruler; married to Tezozomoc's daughter, the relation with Azcapotzalco remained close. Chimalpopoca (Nahuatl: "She smokes like a shield"), son of Huitzilihhuitl, became ruler of Tenochtitlan in 1417. In 1418, Azcapotzalco initiated a war against the Acolhua of Texcoco and killed their ruler Ixtlilxochitl. Even though Ixtlilxochitl was married to Chimalpopoca's daughter, the Mexica ruler continued to support Tezozomoc. Tezozomoc died in 1426, and his sons began a struggle for rulership of Azcapotzalco. During this struggle for power, Chimalpopoca died, probably killed by Tezozomoc's son Maxtla who saw him as a competitor.  Itzcoatl, brother of Huitzilihhuitl and uncle of Chimalpopoca, was elected the next Mexica tlatoani. The Mexica were now in open war with Azcapotzalco and Itzcoatl petitioned for an alliance with Nezahualcoyotl, son of the slain Texcocan ruler Ixtlilxochitl against Maxtla. Itzcoatl also allied with Maxtla's brother Totoquihuaztli ruler of the Tepanec city of Tlacopan. The Triple Alliance of Tenochtitlan, Texcoco and Tlacopan besieged Azcapotzalco, and in 1428 they destroyed the city and sacrificed Maxtla. Through this victory Tenochtitlan became the dominant city state in the Valley of Mexico, and the alliance between the three cities provided the basis on which the Aztec Empire was built.  Itzcoatl proceeded by securing a power basis for Tenochtitlan, by conquering the city-states on the southern lake - including Colhuacan, Xochimilco, Cuitlahuac and Mizquic. These states had an economy based on highly productive chinampa agriculture, cultivating floating gardens in the shallow lake Xochimilco. Itzcoatl then undertook further conquests in the valley of Morelos, subjecting the city state of Cuauhnahuac (today Cuernavaca).

What lakes did the peple conqured are called

Colhuacan, Xochimilco, Cuitlahuac and Mizquic.

IN: Ellington was born on April 29, 1899, to James Edward Ellington and Daisy (Kennedy) Ellington in Washington, D.C. Both his parents were pianists. Daisy primarily played parlor songs and James preferred operatic arias.

Ellington was shortlisted for the Pulitzer Prize for Music in 1965 but no prize was ultimately awarded that year. Then 66 years old, he joked: "Fate is being kind to me. Fate doesn't want me to be famous too young." In 1999 he was posthumously awarded a special Pulitzer Prize "commemorating the centennial year of his birth, in recognition of his musical genius, which evoked aesthetically the principles of democracy through the medium of jazz and thus made an indelible contribution to art and culture."  In September 1965, he premiered the first of his Sacred Concerts. He created a jazz Christian liturgy. Although the work received mixed reviews, Ellington was proud of the composition and performed it dozens of times. This concert was followed by two others of the same type in 1968 and 1973, known as the Second and Third Sacred Concerts. These generated controversy in what was already a tumultuous time in the United States. Many saw the Sacred Music suites as an attempt to reinforce commercial support for organized religion, though Ellington simply said it was "the most important thing I've done". The Steinway piano upon which the Sacred Concerts were composed is part of the collection of the Smithsonian's National Museum of American History. Like Haydn and Mozart, Ellington conducted his orchestra from the piano - he always played the keyboard parts when the Sacred Concerts were performed.  Despite his advancing age (he turned 65 in the spring of 1964), Ellington showed no sign of slowing down as he continued to make vital and innovative recordings, including The Far East Suite (1966), New Orleans Suite (1970), Latin American Suite (1972) and The Afro-Eurasian Eclipse (1971), much of it inspired by his world tours. It was during this time that he recorded his only album with Frank Sinatra, entitled Francis A. & Edward K. (1967).  Although he made two more stage appearances before his death, Ellington performed what is considered his final full concert in a ballroom at Northern Illinois University on March 20, 1974.  The last three shows Ellington and his orchestra performed were one on March 21, 1973 at Purdue University's Hall of Music and two on March 22, 1973 at the Sturges-Young Auditorium in Sturgis, Michigan.

What was something significant that happened in his last years?

OUT:
), Ellington showed no sign of slowing down as he continued to make vital and innovative recordings,