The following is a timeline of the history of the city of Ibadan, Oyo State, Nigeria.

• 1835 – Oluyole becomes Olubadan.
• 1851 – Anglican Church Mission established by David Hinderer.^[1][2]
• 1900 – Lagos-Ibadan railway begins operating

• 1913 – Ibadan Grammar School established.
• 1916 – Moor Plantation established near Ibadan.^[3]
• 1929 – Government College founded.
• 1947 – Economic protest.^[4]
• 1948 – University College of Ibadan and its Botanical Garden established.^[1][5]
• 1949 – Nigerian Tribune newspaper begins publication.^[6]
• 1951 – Ibadan Peoples Party organized.
• 1952 – Population: 459,196.^[7]
• 1954 – Nigerian Records Office headquartered in Ibadan.^[8]
• 1955
  • Historical Society of Nigeria founded in Ibadan.^[9]
  • Isaac Babalola Akinyele becomes Olubadan.
• 1957 – Black Orpheus literary magazine begins publication.^[1][10]
• 1958 – Nigerian National Archives headquartered in city.^[8]
• 1959 – Western Nigerian Government Broadcasting Corporation (WNTV) television begins broadcasting (later NTA Ibadan).^[11]
• 1960
  • Liberty Stadium opens.
  • Nigerian Institute of Social and Economic Research headquartered in city.^[12]
• 1961 – Mbari Writers and Artists Club formed.^[10]
• 1962 – University of Ibadan active;^[13] Institute of African Studies founded.^[14]
• 1963 – Population: 627,380.^[15]
• 1965 – Cocoa House built.
• 1967 – International Institute of Tropical Agriculture headquartered in city.^{[citation needed]}
• 1975
  • Population: 847,000.^[16]
  • David Jemibewon becomes governor of Oyo State.
• 1976
  • City becomes capital of Oyo State.^[13]
  • Akinyele, Lagelu, and Oluyole semi-urban local governments created.^[17]
• 1982 – Leventis United football team formed.
• 1989 – Egbeda, Ido, and Ona Ara semi-urban local governments created.^[17]
• 1991 – Ibadan North, Ibadan North-East, Ibadan North-West, Ibadan South-East, and Ibadan South-West urban local governments created.^[17]
• 1999 – Yinusa Ogundipe Arapasowu I [yo] becomes Olubadan

• 2003
  • Ibadan Internet Exchange commissioned.
  • Rashidi Adewolu Ladoja becomes governor of Oyo State.
• 2007 – Oyekunle Ayinde Olukotun becomes Olubadan.^{[citation needed]}
• 2011
  • Abiola Ajimobi becomes governor of Oyo State.
  • Population: 2,949,000 (urban agglomeration).^[18]

• Ibadan history
• List of Olubadan
• Timelines of other cities in Nigeria: Kano, Lagos, Port Harcourt