Charter 77 (Charta 77 in Czech and Slovak) was an informal civic initiative in the Czechoslovak Socialist Republic from 1976 to 1992, named after the document Charter 77 from January 1977. Founding members and architects were Jiří Němec, Václav Benda, Ladislav Hejdánek, Václav Havel, Jan Patočka, Zdeněk Mlynář, Jiří Hájek, Martin Palouš, Pavel Kohout, and Ladislav Lis. Spreading the text of the document was considered a political crime by the Czechoslovak government. After the 1989 Velvet Revolution, many of the members of the initiative played important roles in Czech and Slovak politics.