Sebastián Piñera in June announced support for measure
South American country legalized civil unions in 2015
Solo falta una última votación en el Senado
Vote took place two days after presidential election's first round
Program based on Corporate Equality Index
Se realizarán las elecciones el 21 de noviembre
President Sebastián Piñera has urged lawmakers to support measure
Activists are celebrating Sebastián Piñera's historic change of heart
Activistas celebran el histórico vuelco del presidente
Eight queer people elected to write new Constitution
