Tordesillas, Treaties. 1494. Spain, Portugal divide colonies in America and East according to Demarcation Bull of Alexander VI. Spain west, Portugal east of 48.5°W.

Torres Vedras, Lines. 1808-14. Fortifications protect Portugal from French invasion.

United States of America. USA. 40,000-20,000BC Asians settle. 1492-1776 Spain, Portugal, France, Netherlands, Britain colonize. 1776 American Revolution. 1783 Thirteen Colonies independent. Manifest Destiny. 1845 +Texas. 1848 +California. 1867 +Alaska. 1898 +Hawaii, Puerto Rico.

Uruguay. 1516 Díaz discovers. 1683 Portugal. 1777 Spain(La Plata). 1820 Brazil. 1828 Independent.

Zaire. Bantu. 1482 Portugal explores. 1885 Personal holding of Leopold II = Congo Free State. 1908 Belgian Congo. 1960 Independent. 1971 =Zaire. 1997 Democratic Republic of Congo.

Zamora Treaty. 1143. Portugal independent of Alfonso VII of Castile.

Zanzibar. 1499 Portugal explores. 1698 Muscat +Oman. 18-19C Slave source. 1861 Independent sultanate. 1890 British protectorate. 1963 Independent. 1964 +Tanganyika = Tanzania.

Zimbabwe. 11C Shona. 15C Karanga Empire. 16C Portugal explores. 1890 British South Africa Co. 1911 Southern Rhodesia. 1953 +Nyasaland. 1964 =Rhodesia. 1965 Declared indepence, international sanctions. 1979 Independent. =Zimbabwe. ZAPU. ZANU. Mugabe.