Ong Eng Guan won Hong Lim by-election
Saturday, 29th April 1961
Ong Eng Guan registered a new party, the United People's Party (UPP) , he won the Hong Lim by-election defeating PAP candidate Jek Yuan Thong, which proved a blow to the PAP for the leaders. Ong Eng Guan was expelled from the PAP less than a year earlier.