Florida to the US in the Adams–Onís Treaty with United States Secretary of State John Quincy Adams, in 1819. Luis de Onís was born in Cantalapiedra, Salamanca...

The Adams–Onís Treaty (Spanish: Tratado de Adams-Onís) of 1819, also known as the Transcontinental Treaty, the Spanish Cession, the Florida Purchase Treaty...

Congress of Deputies. Mauricio was son of Luis de Onís y González-Vara, an important diplomat who signed the Adams-Onís Treaty with the United States in 1819...

: 50–54  The Adams–Onís Treaty, also known as the Transcontinental Treaty, was signed on February 22, 1819, by John Quincy Adams and Luis de Onís y González-Vara...

Spanish territory. After taking office, Adams began negotiations with Luis de Onís, the Spanish minister to the United States, for the purchase of Florida...

government's official position in a letter from Adams to Spanish Ambassador Luis de Onís, which he edited accordingly by removing all justifications for Jackson's...

Mateo Alemán Diego de Torres Villarroel Pedro Salinas Adolfo Suárez Juan Zarate Manuel Belgrano Luis de Onís Pedro Nunes Simón de Rojas Antonio Tovar...

State John Quincy Adams and the Spanish ambassador to the United States, Luis de Onís. The boundaries of Texas were determined within the larger geostrategic...

into office. On June 28, 1815, de Estrada wrote to Spanish diplomat and Spanish envoy to the United States Luis de Onís that he had taken command of Florida...

Purchase. He negotiated with Luis de Onís, the Spanish Minister to the United States, and finally concluded the Adams–Onis Treaty, also known as the Treaty...