Key dates and events in Kajiado County's history from pre-colonial times through 2026.
Pre-Colonial and Early Colonial Period
1880s-1890s: Maasai pastoral territories encompass vast areas including present-day Kajiado. Colonial contact occurs through traders and explorers.
1904-1911: Maasai Agreements formalize territorial boundaries and establish Maasai reserves, alienating previously controlled lands to European settlement.
1920s-1950s: Colonial administration establishes formal district governance with Kajiado as an administrative center. Taxation and colonial economic systems are imposed on pastoral communities.
Post-Independence and Development Period
1964: Kenya achieves independence. Kajiado district becomes part of Rift Valley Province under national government administration.
1968-1970: Group ranches are established in Kajiado converting communal pastoral lands to collective landholdings with individual user rights.
1974: Amboseli National Park is formally designated as a protected wildlife area under Kenya Wildlife Service management.
1980s: Group ranch land subdivision and conversion to individual title begins. Land sales to external investors and commercial developers accelerate substantially.
Urbanization and Development Period
1990s-2000s: Community conservancies are established as private wildlife conservation areas. Nairobi's urban expansion into Kajiado accelerates, particularly in Kitengela and surrounding areas.
2000: Severe drought affects pastoral areas causing substantial livestock losses.
2010: Kenya adopts new Constitution establishing devolved county governance systems.
Contemporary Period
2011: Severe drought affects pastoral populations. Food security crisis occurs in Kajiado and surrounding pastoral counties.
2013: Kajiado County government is established as a constitutional entity with elected governor and county assembly.
2016-2017: Severe drought affects pastoral and agricultural areas with significant humanitarian impacts.
2022: County gubernatorial and assembly elections determine county leadership. Urban expansion and property development continue accelerating.
2025-2026: Continued Nairobi expansion, land pressures, conservation challenges, and climate change adaptation characterize contemporary Kajiado.