After the fall of Suharto regime in May 1998, political change wasnot only marked by the more democratic political atmosphere, butalso by the awakening of radical and conservative Islam groups.These groups have ample rooms to promote their agenda.Although they have different agendas such as the implementationof Islamic law, the establishment of Islamic state and even ofIslamic Caliphate in Indonesia, they are similar in their attempts toreplace Pancasila as the state foundation into Islam. This articleaims to show that these attempts are not enough rooted in thehistory. Historically, the founding fathers clearly stated thatIndonesia is neither an Islamic nor secular state; it is a state foundedon Pancasila. This phrase summarizes the diffic...