Charter 77 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.

Václav Benda was a Czech Roman Catholic activist and intellectual, and mathematician. Under Communist rule in Czechoslovakia, Benda and his wife were rare in that they were devout Roman Catholics among the leadership of the anti-communist dissident organization Charter 77. After the Velvet Revolution, Benda became the head of an organization charged with investigating the former Czechoslovakian secret police and their many informants.