Foreign relations of Nigeria bilateral relations Delimitation of international boundaries in the vicinity of Lake Chad, the lack of which led to border incidents in the past, has been completed and awaits ratification by Cameroon, Chad, Niger, and Nigeria; dispute with Cameroon over land and maritime boundaries around the Bakasi Peninsula is currently before the International Court of Justice; maritime boundary dispute with Equatorial Guinea because of disputed jurisdiction over oil-rich areas in the Gulf of Guinea. The Federation of Nigeria became independent from the United Kingdom in 1960 with Queen Elizabeth II as Queen of Nigeria. Nigeria became a Commonwealth republic in 1963,
Geography of Chad same location. Similar temperature rises were also reported in Niger, which began to enter a famine situation. On 26 July the heat reached near-record levels over Chad and Niger. Area: <br>"total:" 1.284 million km² <br>"land:" 1,259,200 km² <br>"water:" 24,800 km² Area - comparative: <br>Canada: smaller than the Northwest Territories <br>US: slightly more than three times the size of California Land boundaries: <br>"total:" 6,406 km <br>"border countries:" Cameroon 1,116 km, Central African Republic 1,556 km, Libya 1,050 km, Niger 1,196 km, Nigeria 85 km, Sudan 1,403 km Coastline: 0 km (landlocked) Maritime claims: none (landlocked) Elevation extremes: <br>"lowest point:" Djourab Depression