President of Peru Martín), and "Supreme Protector" (by Andrés de Santa Cruz). The following table contains a list of the individuals who have served as President of Peru. The Protectorate of Peru existed from August 3, 1821 until September 20, 1822. The Republic of Peru was declared on July 28, 1821 but it was constituted on September 20, 1822. It existed until August 11, 1836. In 1836, the south of the country declared itself independent by creating the Republic of South Peru, while the north of the country became the Republic of North Peru. The two states confederated with the Republic of Bolivia
Upper house passage of the Seventeenth Amendment in 1913. The upper house may be directly elected but in different proportions to the lower house - for example, the Senate of Australia and the United States have a fixed number of elected members from each state, regardless of the population. Many jurisdictions, such as Croatia, Denmark, Estonia, Hungary, Iceland, Iran, Mauritania, New Zealand, Peru, Sweden, Turkey, Venezuela and many Indian states as well as Brazilian states and Canadian provinces, once possessed upper houses but abolished them to adopt unicameral systems. Newfoundland had a Legislative Council prior to joining Canada, as did Ontario when