Claim: Islam Abduganiyevich Karimov (30 January 1938 – 2 September 2016) was the longest-running president of Uzbekistan who stayed in power for 25 years and one day.
Evidence: Islam Abduganiyevich Karimov (Uzbek: Islom Abdugʻaniyevich Karimov; Russian: Ислам Абдуганиевич Каримов; 30 January 1938 – 2 September 2016) was the leader of Uzbekistan and its predecessor state, the Uzbek Soviet Socialist Republic, from 1989 until his death in 2016. Islam Karimov was the only President of Uzbekistan for 25 years following the establishment of the office; he won three consecutive elections which many consider to have been rigged.