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
Uruguay were later proven to be from sewage discharge from the town of Gualeguaychú in Argentina. In November 2010, Uruguay and Argentina announced they had reached a final agreement for joint environmental monitoring of the pulp mill. Brazil and Uruguay have signed cooperation agreements on defence, science, technology, energy, river transportation and fishing, with the hope of accelerating political and economic integration between these two neighbouring countries. Uruguay has two uncontested boundary disputes with Brazil, over Isla Brasilera and the Invernada River region near Masoller. The two countries disagree on which tributary represents the legitimate source of the Quaraí/Cuareim River, which