Black Flag demonstration day observed led by the Khasi Student Association under the leadership of Mr. Hoover Hynniewta, Stephenson Lyngdoh and others
Khasi States Federation reactivated as the Federation of Khasi States
All Party Hill Leaders Conference (APHLC) formed with the GNC becoming its founding member and Capt Williamson Sangma its President
The inclusion of Assamese Language Bill and subsequent protests held in Khasi, Jaintia, and Garo Hills
Captain Williamson A. Sangma convened a meeting at Shillong in June 1954 in which he emphasized the importance for immediate action regarding the formation of a unified hill state
The United Khasi and Jaintia Hills Autonomous District Council inaugurated
Creation of Federation of Khasi States
Formation of Khasi National Durbar (KND)
Goalpara, Kamrup, Darrang, Nowgong, Sibsagar, Lakhimpur, Khasi and Jaintia Hills, Naga Hills, Garo Hills, and the district of Cachar were separated from the administration of the Government of Bengal