Nigeria government; the leader is elected by popular vote to a maximum of two 4-year terms. In the 28 March 2015 presidential election, General Muhammadu Buhari emerged victorious to become the President of the Federal Republic of Nigeria, defeating then-incumbent Dr Goodluck Jonathan. The president's power is checked by a Senate and a House of Representatives, which are combined in a bicameral body called the National Assembly. The Senate is a 109-seat body with three members from each state and one from the capital region of Abuja; members are elected by popular vote to four-year terms. The House contains 360 seats,
Queen of Nigeria monarchy, and adopted the President of Nigeria as head of state, on 1 October 1963. The Queen visited Nigeria twice: 28 January–16 February 1956 and 3–6 December 2003, the latter time to attend the Commonwealth Heads of Government Meeting 2003. Queen of Nigeria From 1960 to 1963, Elizabeth II was Queen of Nigeria: Nigeria was an independent constitutional monarchy. She was also the monarch of the other Commonwealth realms, including the United Kingdom. Nigeria became independent on 1 October 1960 under the Parliament of the United Kingdom's Nigeria Independence Act. The Queen was head of state, though her constitutional roles