High Quality Content by WIKIPEDIA articles! Ugandans voted to restore a multi-party political system in a constitutional referendum held on 28 July 2005. Political parties were barred from competing in elections for nearly 20 years in order to curb sectarian tensions. President Yoweri Museveni instituted the non-party "Movement" system of government when he came to power in 1986. Five years ago, in a similar referendum, Ugandans chose to keep the restrictions on the parties.