Timeline of Nairobi

1900 - Incorporated as the Township of Nairobi
1901
- Native Civil hospital opens.
- The Nairobi Club established
1904 - Norfolk Hotel opens.^[2]
1905
- British East Africa Protectorate capital moves from Mombasa to Nairobi.
- Nairobi Parsee Zoroastrian Anjuman Religious and Charitable Funds established.^[3]
1906
- Jamia Mosque construction started.
- Royal Nairobi Golf Club founded.
1907 - British Government House built.
1909 - East Africa and Uganda Natural History Society established.^[3]
1910
- East African Standard newspaper headquartered in Nairobi.
- Museum of the East Africa and Uganda Natural History Society established.^[4]^[5]
1912 - Theatre Royal opens.^[6]
1913 - Muthaiga Country Club founded.
1914 - Shri Vankaner Vidya Prasarak Mandal established.^[3]
1917
- Anjuman Islamia established.^[3]
- East Africa Women's League established.^[3]
- Indian Christian Union formed.^[3]
1918 - Punjebhai Club formed.^[3]
1919 - Nairobi Political Association formed.^[3]
1920
- Social Service Volunteer Corps established.^[3]
- Majlis-i-Ahl-i-Kashmeer established.^[3]

1930 - Coryndon Museum opens.^[4]
1931 - McMillan lending library (for white settlers) opens.^[4]^[7]
1934 - Sir Ali Muslim Club (cricket) founded.
1935 - Nairobi becomes a municipality.^[8]
1939 - St. Mary's School founded.
1944 - Kenya Conservatoire of Music founded.^[9]
1946 - Nairobi National Park established.
1947 - Kenya National Archives headquartered in city.^[10]
1948
- East African Literature Bureau founded.^[4]
- Population: 118,976 (urban agglomeration).^[11]
1949 - American Center Library established.^[10]
1950 - Nairobi became a city^{[citation needed]}
1951 - Railway rerouted via Kibera
1952
- City Council formed.^[8]
- Princess Elizabeth Hospital opens.^[12]
1953 - Nairobi Dam constructed.
1954
- Legislative Council (Legco) Building opened
- Ngong Racecourse opens.
- European Hospital opens.^[12]
1955
- Israel Somen elected mayor.
- Government Indian School renamed Duke of Gloucester School
1956
- Royal Technical College established.
- East African Library Association headquartered in city.^[13]
1958
- Nairobi Embakasi Airport opened
- Embassy Cinema^[6] opened.
- Thika Rd Drive-In (later renamed Fox Drive-In) opened
- Kenya Cinema opened
- New Donovan Maule Theatre opened
- Aga Khan Hospital opened

1961 - Kenya Polytechnic established.^[9]
1962 - Nairobi West Airport renamed Wilson Airport
1963
- City becomes capital of Republic of Kenya.^[9]
- Kenya School of Law established.
1964 - Abaluhya United Football Club founded.
1966 - United Nations Office at Nairobi established.
1967
- National Library Service of Kenya headquartered in city.^[10]
- Kenya Open golf tournament begins.
1968
- Gor Mahia Football Club founded.
- Swedish school founded.
1969
- July: Political leader Tom Mboya assassinated.
- Hilton Nairobi built.
1970
- University of Nairobi and Nairobi Japanese School established.
- Margaret Kenyatta becomes mayor.
- Tusker Football Club founded.
1971 - Nairobi Railway Museum opens.
1973
- Kenyatta International Conference Centre and National Social Security Fund building constructed.
- City administrators develop municipal "master plan."^[14]
- Population: 630,000 urban agglomeration.^[15]
1975
- Uchumi Supermarkets founded.
- City hosts World Council of Churches conference.
1978 - Mazingira Institute founded.^[16]

1980 - Nairobi Records Centre of the Kenya National Archives established.^[4]
1981
- City hall building expanded.
- ICEA Building and Cooperative Bank House built.
1983
- Sarit Centre shopping mall opens.
- Nyayo National Stadium and Nyayo House built.
- Phoenix Players theatre troupe active.
1985
- Kenyatta University established.
- Third UN World Conference on Women held from 15 to 26 July 1985
1987
- Moi International Sports Centre built.
- City hosts All-Africa Games.
1989 - Kenya College of Accountancy founded.
1990
- Kenya Television Network founded.
- Lonrho House built.
- Population: 1,380,000 (urban agglomeration).^[17]
1992 - Anniversary Towers built.
1994 - Mathare United Football Club founded.
1995 - The Village Market shopping center opens.
1998 - U.S. embassy bombed.
1997 - Kenya Institute for Public Policy Research and Analysis headquartered in city.^[16]
1999
- Rahimtulla Tower built.
- Nairobi Java House opens.
2000
- New Central Bank Tower built.
- Population: 2,230,000 (urban agglomeration).^[17]

2001
- I&M Bank Tower built.
- Nairobi Women's Hospital founded.
- Coalition for Peace in Africa headquartered in Nairobi.^[16]
- Unrest in Kibera.^[18]
2002
- Kiriri Women's University of Science and Technology established.
- World Urban Forum held.
2003
- Nairobi Marathon begins.
- Dorman's Coffee opens.^[19]
- Kwani? literary journal begins publication.
- GoDown Arts Centre founded.^[20]
2004 - Dick Wathika elected mayor.
2005
- July: Political protest.^[18]
- Population: 2,814,000 (urban agglomeration).^[17]
2006 - www.sheng.co.ke Kenya's first online Sheng Dictionary goes live after major overhaul.
2007
- Nairobi Province administrative districts created.
- December - Post-election unrest.
2008
- Google office in business.^[21]^[22]
- Nairobi National Museum building expanded.^[5]
2009 - Population: 3,138,369.^[23]

2010
- Mayor Geoffrey Majiwa resigns.^[24]
- City hosts African Championships in Athletics.
- IHub opens.
- June: Blast occurs during protest in Uhuru Park.^[24]
- Population: 3,109,861 (estimate).^[25]
2011
- Petrol pipeline explosion, Sinai slum.^[26]
- Hay Festival of literature held.^[27]
- George Aladwa elected mayor.
2012
- Nairobi-Syokimau railway begins operating.^[28]
- IMAX Nairobi (cinema) opens.^[6]
- Sister city relationship established with Raleigh, US.^[29]
2013
- Nairobi County administrative division effected.^{[citation needed]}
- 4 March: Election held for governor and National Assembly.
- 7 August: Nairobi airport fire.
- September: 2013 Women's African Volleyball Championship held.
- 21–24 September: Westgate shopping mall attack.
- 14 December: Bus attack in Eastleigh.
2014 - Caramel restaurant in business.^[30]
2015 - July: US president Obama visits city.^[31]
2017
- Two Rivers Shopping Complex at the northern boundary shopping centre of Ruaka opened
- June 1-The first phase of the Mombasa–Nairobi Standard Gauge Railway, built by the China Road & Bridge Construction Company mainly funded by China Exim Bank and the Government of Kenya is inaugurated by President Uhuru Kenyatta.
2018 - Part of 2018 African Nations Championship football contest to be played in Nairobi.

Prior to 20th century