Election
By the end of August a Solidarity-led coalition Government is formed and in December Tadeusz Mazowiecki is elected Prime Minister
Role range: 1985-1990
Historical biography archive · Updated 2026-11-03
Tadeusz Mazowiecki Biography and Timeline
Follow Tadeusz Mazowiecki through 5 dated historical records for Poland.
Tadeusz Mazowiecki, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1989–1990Years on this page
1989
Prime Minister of Poland
By the end of August a Solidarity-led coalition Government is formed and in December Tadeusz Mazowiecki is elected Prime Minister
Role range: 1985-1990
Solidarity
By the end of August a Solidarity-led coalition Government is formed and in December Tadeusz Mazowiecki is elected Prime Minister
Role range: 1985-1990
1990
Resignation of Tadeusz Mazowiecki
Resigns from office
Constitution of Poland
The PUWP is dissolved & renamed Social Democrcy of Republic of Poland
Role range: 1989-1990
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.