River Valley ConstituencyRiver Valley Constituency was a constituency in Singapore. It used to exist from 1959 to 1988. The 1959 election in River Valley remains the record for the closest winning margin in any election in Singapore history.HistoryIn 1988, the constituency was dissolved following the establishment of Group representation constituency and Single Member Constituency.Member of ParliamentElectoral resultsElections in 1950sElections in 1960s