Portuguese colonization of the Americas won a significant victory in the Second Battle of Guararapes in 1649. By 1654, the Netherlands had surrendered and returned control of all Brazilian land to the Portuguese. In 1751, the State of Maranhão was restructured into the State of Grão-Pará and Maranhão, with a new capital and government. In 1772, the State of Grão-Pará and Maranhão was split into two new states, the State of Grão-Pará and Rio Negro and the State of Maranhão and Piauí. The new states would fare poorly and only last 3 years. In 1775, the three colonies of Portuguese America (the State of Brazil,
Malaria Day in the Americas observed the presence of malaria parasites in the blood of patients Malaria Day in the Americas is a separate event from World Malaria Day, which was established the same year and is marked by the World Health Organization on April 25. Following the 2013 Malaria Day in the Americas, participating countries were encouraged to engage in a year-round campaign against the disease to attain the following objectives: Through the annual Malaria Champion of the Americas competition, the Pan American Health Organization (PAHO), the United Nations Foundation, the George Washington University Milken Institute School of Public Health (MISPH), and the Johns