| |
| 1922, March |
| |
| Thuku was arrested and exiled to the coast, causing a riot in Nairobi in which 20 Africans died. | 1 |
| |
| 1923 |
| |
| Poll tax introduced in Tanganyika. | 2 |
| Kavirondo Tax Payers Welfare Association founded; Kilimanjaro Native Planters Association established. | 3 |
| |
| 1924 |
| |
| Formation of Kikuyu Central Association (KCA), to support education in government, rather than mission, schools, and to support African traditional practices, which were being undermined by missions. | 4 |
| |
| 1925 |
| |
| Cotton cultivation expanded in Uganda. | 5 |
| |
| 1926 |
| |
| Native Authority Ordinance formalized indirect rule policy in Tanganyika. | 6 |
| |
| 1929 |
| |
| The KCA, supported by its secretary, newspaper editor Jomo Kenyatta, clashed with missions over the Kikuyu practice of clitoridectomy. | 7 |
| |
| 1929–32 |
| |
| The depression led to the collapse of international commodity markets, hurting incomes from production of sisal, coffee, maize, and hides from the region. | 8 |
| |
| 1933, March |
| |
| Kenya's white settlers sent an anti–income tax petition to London. | 9 |
| |
| 1934 |
| |
| The Kenya Land Commission Report established African reserves and exclusive white farming areas. | 10 |
| |
| 1936 |
| |
| Tribute to Ugandan chiefs was outlawed and replaced by salaries. | 11 |
| |
| 1940 |
| |
| The first African doctor entered government service in Tanganyika. | 12 |
| |
| 1941 |
| |
| Kitawala revolt in Uganda. (See East Africa) | 13 |
| |
| |
