1980: The National Party of Nigeria(NPN) forms an accord with the Nigeria People's Party(NPP)to get a majority in parliament.
1981: The end of the oil price boom led to a general strike and the expulsion of more than one million foreign (non-Nigerian) African workers.
1981: The end of the oil price boom led to a general strike and the expulsion of more than one million foreign (non-Nigerian) African workers.
1982: Governors of the opposition parties, NPP, UPN, GNPP and PRP form the Progressive Alliance to checkmate the ruling party, NPN, especially after the crash of NPN/NPP accord at the national level.
1983: Elections are marred by widespread cheating.
1983(September): In Nigeria's second national elections, Shehu Shagari was re-elected president of Nigeria in August-September 1983.
1983(December 31): Major-General Muhammed Buhari led another military coup and overthrew the government of Shehu Shagari. Buhari suspended the 1979 constitution and arrested Shagari and other civilian politicians.
1983-1985: Buhari's "War Against Indiscipline (WAI)" uncovered corruption in the ranks of government and society.
1985 (August 27): General Ibrahim Babangida takes over power in a bloodless coup.
1986: General Babangida promises to restore civilian rule in 1990.
1987: Babangida postpones the date of return to civilian rule from October 1990 to October 1992.
1988: The government reduced fuel price subsidies as part of its austerity program. In response, transporters raised their prices 50-100% and the rest of the population, especially students, went on strike. Fuel prices were lowered again, making Nigeria a source of smuggled fuel to neighboring countries.
1988: The government increased the number of states in Nigeria to 21 (from 19). Later on, a further increase brought the number to 30.
1989(October): Babangida's government refused to legalize 13 independent political parties. Instead, the government founded the SDP (Center-left) and the NRC (Center- right) as the only legal political parties.