Arquivo Histórico Ultramarino Arquivo Histórico Ultramarino The Arquivo Histórico Ultramarino (est. 1931) of Portugal preserves archives related to the Portuguese Empire. It is located in the on da Boa-Hora in the city of Lisbon, near the in the parish of Alcântara. The of the governmental Ministry of Science, Technology and Higher Education administers the archives. Prior to 1973, the Overseas Ministry oversaw it. Among its holdings are records created in 15th-20th century related to colonial Angola, Brazil, Cape Verde, Guinea, India, Macau, Mozambique, São Tomé and Príncipe, Timor, Uruguay, and other locales. As of 1970 the materials were grouped as pre-1833 (mostly from
1851 Boundary Treaty (Brazil–Uruguay) 1851 Boundary Treaty (Brazil–Uruguay) The 1851 Boundary Treaty established between Brazil and Uruguay as a result of the Uruguayan Civil War and conflicts with Brazil and Argentina; the result of the treaty was a step towards the acceptance of Uruguay's independence from neighboring territories. Uruguay rewarded Brazil's financial and military support by signing five treaties in 1851 that provided for perpetual alliance between the two countries. The Treaty of Montevideo (1828) confirmed Brazil's right to intervene in Uruguay's internal affairs. The treaties also allowed joint navigation on the Uruguay River and its tributaries, and tax exempted cattle and salted meat