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Nairobi, the capital and largest city of Kenya, began in 1899 as a railway supply depot on the Uganda Railway line. It grew rapidly under British colonial administration, became the capital of British East Africa in 1907, and developed into a major commercial center. Nairobi played a central role during the Mau Mau Uprising of the 1950s and became the capital of independent Kenya in 1963. Today it is a thriving metropolis known as the 'Green City in the Sun,' hosting international organizations such as the UN Environment Programme. More Less
1894
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In 1894, the British began construction of the Uganda Railway from the coastal port of Mombasa inland toward Lake Victoria. The railway's progress would soon give rise to a new settlement that would become Nairobi.
Image source: Uganda Railway
1898
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In 1898, an engineer was commissioned to design the first town layout for the railway depot, establishing the early urban plan around which Nairobi would develop.
1899
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The earliest account of Nairobi's history dates back to 1899, when a railway depot was built in a brackish African swamp occupied by pastoralist Maasai people, the sedentary Akamba people, and the agriculturalist Kikuyu people, all of whom were displaced by the colonialists.
1899
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A British railroad camp and supply depot for the Uganda Railway was built in the Maasai area in 1899, forming the nucleus of what would grow into the city of Nairobi.
May 30, 1899
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The railway arrived at Nairobi on 30 May 1899, and soon Nairobi replaced Machakos as the headquarters of the provincial administration for the Ukamba province, cementing its importance in the colony.
1902 - 1910
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Between 1902 and 1910, the town's population rose from 5,000 to 16,000 and grew around administration and tourism, initially in the form of big game hunting.
1905
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By 1905, Nairobi was a humming commercial center and replaced Mombasa as the capital of British East Africa, reflecting its growing economic and administrative importance.
1907
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In 1907, Nairobi replaced Mombasa as the capital of the East Africa Protectorate, confirming its status as the political heart of British territory in the region.
Image source: East Africa Protectorate
1919
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In 1919, Nairobi was declared to be a municipality by the British, granting the rapidly growing town formal municipal governance under colonial administration.
Image source: Nairobi
1921
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In 1921, Nairobi had 24,000 residents, of whom roughly 12,000 were native Africans, illustrating the town's rapid growth and its diverse, stratified population.
Image source: History of Nairobi
1946
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Because the area around Nairobi continued to be a popular attraction for British big game hunters, Britain established the Nairobi National Park in 1946, the first national park in East Africa, to protect the animals.
Image source: Nairobi National Park
1915
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In 1915, the British passed laws restricting the ownership of land to whites, dispossessing African communities and deepening grievances that would fuel later anti-colonial movements.
Image source: White Highlands
1921
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In 1921, Harry Thuku founded the Young Kikuyu Association and began organizing protests as Kenyans became more open about their grievances against British colonial rule.
Image source: Harry Thuku
Mar 14, 1922
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On 14 March 1922, Harry Thuku was arrested by colonial authorities, an event that sparked protests in Nairobi and galvanized early Kenyan nationalism.
May 1950
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In the spring of 1950, the East African Trades Union Congress led a nine-day general strike in Nairobi, demonstrating growing labor militancy and anti-colonial sentiment in the city.
1952 - 1960
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British land policies led to the Mau Mau Uprising in the 1950s, and the subsequent Lancaster House Conferences initiated a transition toward Kenyan independence in 1963.
Image source: Mau Mau rebellion
1963
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Pressure exerted from the local people on the British resulted in Kenyan independence in 1963, with Nairobi as the capital of the new republic.
Image source: Kenya
1972
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In 1972, the World Bank approved more than US$29 million (US$111.8 million in 2013 dollars) for expansion of Nairobi Airport, including new passenger and cargo terminals, taxiways, roads, and supporting infrastructure.
Sep 1973
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In September 1973, the Kenyatta International Conference Centre was opened to the public, becoming an iconic skyline landmark and a major venue for international conferences in Nairobi.
Image source: Kenyatta International Convention Centre
Nov 1975 - Dec 1975
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In 1975, Nairobi was the host city of the 5th Assembly of the World Council of Churches, highlighting the city's emerging role as an international conference destination.
Image source: World Council of Churches
Mar 14, 1978
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On 14 March 1978, construction of the terminal building was completed on the other side of the airport's single runway, and it was opened by President Jomo Kenyatta less than five months before his death.
Image source: Jomo Kenyatta International Airport
1983
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The Giraffe Centre, an animal sanctuary on the southwestern outskirts of Nairobi dedicated to the conservation of the endangered Rothschild's giraffe, was opened in 1983.
Image source: Giraffe Centre
2008
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As of 2008, Nairobi National Park remained unique in that it is the only game reserve bordering on a capital city in the world, offering wildlife viewing just outside the metropolis.
2009 - 2011
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The Thika Superhighway mega-project in Kenya started in 2009 and ended in 2011, transforming one of Nairobi's busiest transport corridors into a modern multi-lane highway.
Nov 2012
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In November 2012, President Mwai Kibaki officially opened the KES 31 billion Thika Superhighway, a flagship infrastructure project designed to ease traffic congestion in and around Nairobi.
Image source: Thika Road
May 2017
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In May 2017, President Uhuru Kenyatta inaugurated the Standard Gauge Railway, which connects Nairobi to Mombasa and marked a major modernization of Kenya's rail transport.
Image source: Kenya Standard Gauge Railway
2021
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In 2021, the Green Park Bus Terminal began operations as part of efforts to improve public transport in Nairobi by decongesting the central business district.
2022
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The Nairobi Expressway, completed in 2022, was developed to reduce traffic congestion along Mombasa Road, providing a modern elevated toll road through the city.
Image source: Nairobi Expressway
Aug 7, 1998
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The United States Embassy, then located in downtown Nairobi, was bombed on 7 August 1998 by Al-Qaeda and the Egyptian Islamic Jihad, as part of a series of simultaneous U.S. embassy bombings, killing hundreds of people.
Image source: 1998 United States embassy bombings
Dec 2007 - Feb 2008
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Following the disputed Kenyan presidential election of 2007, serious violence broke out in Nairobi and across Kenya, leaving many dead and displaced before a power-sharing agreement restored calm.
Image source: 2007–2008 Kenyan crisis
Oct 2011
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In October 2011, a memorial statue was unveiled in Nairobi in memory of Tom Mboya, a former Kenyan independence politician and assassination victim, honoring his contributions to the nation.
Image source: Tom Mboya
Aug 2020
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In August 2020, Nairobi County Assembly Speaker Beatrice Elachi resigned, adding to a period of political turbulence in the governance of Nairobi County.
Image source: Beatrice Elachi
Dec 2020
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In December 2020, recently elected Nairobi County Assembly Speaker Benson Mutura was sworn in as acting Nairobi Governor four days after previous Governor Mike Sonko was impeached and removed from office.
Image source: Mike Sonko
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