January 4 - The Minister of Industrialisation Henry Kosgey gives up his cabinet post. Kosgey is subject to corruption investigations and also is one of six Kenyans charged by the International Criminal Court[3]
January 31 - The Commission on the Implementation of Constitution declares unconstitutional the recent naming of Chief Justice and other top juridical posts by the President Mwai Kibaki[5]
February
February 9 - Ten people die as a bus collides with a truck in Sachangwan along the Nakuru-Eldoret highway [6]
February 12 - Nine people die as a matatu and a bus collide at the Matunda bridge along the Kitale-Webuye road.[7]
September 12 - Over 100 people die in a pipeline fire in Sinai slum, Nairobi
October
October 16 - Kenyan Defense Forces enter southern Somalia as part of Operation Linda Nchi. The KDF intervened to provide a buffer between terrorist group Al-Shaabab and the Kenyan Border. The forces remain in Kenya until 31 May 2012.