Original sentence: (Jean) Gaston Tremblay (Gregory XVII), succeeded Clement XV in 1968 in Canada; not to be confused with the Canadian politician Gaston Tremblay.Clemente Domínguez y Gómez (Gregory XVII), self-proclaimed from 1978–2005 in Spain.David Bawden (Michael), self-proclaimed in 1990 in Kansas, United States of America.Francis Konrad Schuckardt (Hadrian VII), self-proclaimed in 1984 in Washington, United States of America.Gino Frediani (Emmanuel), self-proclaimed from 1973–1984 in Italy.Lucian Pulvermacher (Pius XIII), self-proclaimed in 1998 in Montana, United States of America.Maurice Achieri of Le Perreux (Peter II), self-proclaimed in 1995 in France.Michel Colin (Clement XV), self-proclaimed from 1950–1968 in Canada.Valeriano Vestini (Valeriano), self-proclaimed in 1990 in Chieti, Italy.Victor Von Pentz (Linus II), self-proclaimed in 1994 in the United Kingdom
Edited sentence: (Jean) Gaston Tremblay (Antipope Gregory XVII) succeeded Clement XV in 1968 in Canada - not to be confused with the Canadian politician Gaston Tremblay.Clemente Domínguez y Gómez (Antipope Gregory XVII) self-proclaimed from 1978–2005 in Spain.David Bawden (Antipope Michael) self-proclaimed in 1990 in Kansas, United States of America.Francis Konrad Schuckardt (Antipope Hadrian VII) self-proclaimed in 1984 in Washington, United States of America.Gino Frediani (Antipope Emmanuel I) self-proclaimed from 1973–1984 in Italy.Lucian Pulvermacher (Antipope Pius XIII) self-proclaimed in 1998 in Montana, United States of America.Maurice Achieri of Le Perreux (Antipope Peter II), self-proclaimed in 1995 in France.Michel Colin (Antipope Clement XV) self-proclaimed from 1950–1968 in Canada.Valeriano Vestini (Antipope Valeriano I) self-proclaimed in 1990 in Chieti, Italy.Victor Von Pentz (Antipope Linus II) self-proclaimed in 1994 in the United Kingdom