Also that September Václav Havel , Dana Němcová and Václav Malý , leaders of Czechoslovakia 's Velvet Revolution , published an open letter in the `` International Herald Tribune '' calling for the award to be given to Liu , while a petition began to circulate soon afterwards .
In September 2010 Václav Havel , Dana Němcová , and Václav Malý published an open letter in `` The International Herald Tribune '' calling for the award to be given to Liu . All three had been leaders of Czechoslovakia 's Velvet Revolution .