Complex sentence: He appears to have started the Cosmopolitan Party of Canada for the first time in 1993, when a report in the "Ottawa Citizen" lists him as holding an open house meeting for the party in Ottawa that attracted about thirty people.
Split into simpler sentences: He appears to have started the Cosmopolitan Party of Canada for the first time in 1993. A report in the "Ottawa Citizen" from that year lists him as holding an open house meeting for the party in Ottawa, which attracted about thirty people.