The Hong Kong Island by-election, 2007 was precipitated by the death of the then chairman of the Pro-Beijing DAB, Ma Lik on 8 August 2007. It was the second by-election in a geographical constituency to be held since the transfer of sovereignty in 1997 and the largest remainder proportional representation electoral system was adopted in 1998, coincidentally in the same constituency – Hong Kong Island. The election for the Legislative Council of Hong Kong was held on 2 December 2007 and was won by Anson Chan with 54.6% of the votes cast.