The Communist Party of Canada (Ontario) (French: "Parti communiste du Canada (Ontario)" ) is the Ontario provincial wing of the Communist Party of Canada.
 Using the name Labor-Progressive Party, the group won two seats in the Legislative Assembly of Ontario: A.A. MacLeod and J.B. Salsberg served as Members of Provincial Parliament (MPPs) from 1943 until 1951 and 1955 respectively.
 It has not been able to win any seats at the provincial level since then.
 The party continued to run under the Labor-Progressive banner up to the 1959 provincial election, after which it identified itself as the Communist Party.
Communist Party of the Free Territory of Trieste (Italian: "Partito Comunista del Territorio Libero di Trieste" (PCTLT); Slovene: "Komunistična partija Svobodnega tržaškega ozemlja" ((KPSTO)) was a communist party in the Free Territory of Trieste.
 It was founded at a congress in 1945 by a merger of the local branches of the Italian Communist Party and the Communist Party of Slovenia as the Communist Party of the Giulian Region ("Partito Comunista della Regione Giuliana", PCRG, "Komunistična partija Julijske krajine", KPJK).
 The party published a daily newspaper, "Il Lavoratore".
The Communist Party of Austria (German: "Kommunistische Partei Österreichs" , CPA or KPÖ) is a communist party in Austria.
 Established in 1918 as the Communist Party of German-Austria (KPDÖ), it is one of the world's oldest Communist parties.
 The KPÖ was banned between 1933 and 1945 under both the Austrofascist regime and the Nazi German control of Austria after the 1938 "Anschluss".
 It played an important role in the Austrian resistance against the Nazis.
Local elections were held in London, city borough councils and in Scotland on 1 November 1934.
 The Labour Party gained many seats in sweeping successes throughout the country.
 In London they won 457 seats, which gave them control of 11 councils and enabling them to holding four.
 In chief provincial boroughs their net gains numbered 276 and gained 6 councils.
 There were also Scottish elections in which Labour also won many seats.
 The gains for Labour came at the expense of the Liberal Party which was by this stage had declining presence in both national and local elections as well as the Conservative Party.
The Co-operative Commonwealth Federation (Ontario) – The Farmer-Labor Party of Ontario, or more commonly known as the Ontario CCF, was a democratic socialist political party that existed from 1932 to 1961.
 It was the provincial wing of the national CCF.
 The party had no leader in the beginning, and was governed by a provincial council and executive.
 The party first Member of the Legislative Assembly (MLA) was elected by voters in the 1934 Ontario general election.
 In the 1937 general election, no CCF members were elected to the Ontario Legislature.
 In 1942, the party elected Toronto lawyer Ted Jolliffe as its first leader.
 He led the party to within a few seats of forming the government in the 1943 general election; instead, it formed the Official Opposition.
 In that election, the first two women were elected as CCFers to the Ontario Legislature, Agnes Macphail and Rae Luckock.
 The 1945 election was a setback, as the party lost most of its seats in the Legislature, including Jolliffe's seat.
 The party again became the Official Opposition after the 1948 general election, and defeated the Conservative premier George Drew in hisseat, when Bill Temple unexpectedly won in the High Park constituency.
 The middle and late 1940s were the peak years for the Ontario CCF.
 After that time, its electoral performances were dismal, as it was reduced to a rump of two seats in the 1951 election, three seats in the 1955 election, and five seats in the 1959 election.
 Jolliffe stepped down as leader in 1953, and was replaced by Donald C. MacDonald.
The elections to the Austrian National Council held on 25 November 1945 were the first after World War II.
 The elections were held according to the Austrian election law of 1929, with all citizens at least 21 years old eligible to vote, however former Nazis were banned from voting, official sources putting their numbers at around 200,000.
 The Communist Party of Austria only gained four seats, which some blamed on the conduct of the Red Army in the Soviet occupied zone of Austria.
 This was highly embarrassing for the Communists, who had assured the Soviets that they could win as much as 30 percent of the vote.
 This proved to be the beginning of a long decline for the Communists, though they stayed in the chamber until May 1959.
Onorato Damen (4 December 1893 – 14 October 1979), was an Italian left communist revolutionary who was first active in the Communist Party of Italy.
 After being expelled, he worked with the organized Italian left, became one of the leaders of the Internationalist Communist Party, commonly known by their paper Battaglia Comunista.
 The Internationalist Communist Party formally founded in 1945, was numerically the largest left-communist organization in the post-World War II period.
 In 1952, Amadeo Bordiga, who had by then fully came out of retirement to found the International Communist Party, known by its paper Programma Comunista.
 Many elements of the original Internationalist Communist Party left to join the party Bordiga had formed.
 Onorato Damen lead the older party that did not follow Amadeo Bordiga into the new party but rather maintained the original name Internationalist Communist Party, maintained the original theoretical journal Prometeo, and their paper Battaglia Communista.
 Onorato Damen was politically active his entire adult life.
 He was the author of "Gramsci: tra marxismo e idealismo".
Party of Slovak Revival (Slovak: "Strana slovenskej obrody" , SSO) was a political party founded in 1948 by pro-Communist members of the Slovak Democratic Party.
 It was accepted into the Czechoslovak National Front and got 17 seats in the Slovak parliament (Communists had 78 and the Freedom Party 4 seats).
 Jozef Mjartan, chairman of the SSO was the interim chairman of the Slovak parliament from 15 to 23 June 1958 and the party (as a satellite of the Communist party) had representatives in other government bodies during the Communist era.
 The Party of Slovak Revival broke with the Communist Party in 1989, but did not gain any importance in Slovak politics.
The Azerbaijan Communist Party (Azerbaijani: "Azərbaycan Kommunist Partiyası" ; Russian: Коммунистическая партия Азербайджана ) was the ruling political party in the Azerbaijan SSR, making it effectively a branch of the Communist Party of the Soviet Union.
 It was formed on February 20, 1920, when the "Hummat Party", the "Adalat Party", the "Ahrar Party of Iran" and Baku Bolsheviks joined together to establish the Azerbaijan Communist Party.
 On April 1 of the same year, the Fifth Cabinet of Ministers of the Azerbaijan Democratic Republic gave its resignations and all the power to the Azerbaijan Communist Party.
 The party ruled the Azerbaijan SSR until 16 September 1991 when it was formally disbanded.
 Nevertheless, former leaders and members of the communists continued to play a role in the family- and patronage-based political system.
 The Azerbaijan Communist Party won the first multi-party elections in Azerbaijan that took place on 30 September and 14 October 1990 for the Supreme Soviet obtaining 280 out of 360 seats.
Communist Party of Malta (Maltese: "Partit Komunista Malti" ) is a communist party in Malta.
 PKM was founded in 1969 at a secret congress in the town of Gwardamangia, following the departure from the Malta Labour Party of a group of left-wing militants that had been active in the struggle for national independence.
 Anthony Vassallo was the founding general secretary of the party.
 The party first contested the national general elections of 1987 when it obtained 0.1% of first preference votes and no parliamentary seats.
 Since then it has not stood for any other election whether at a European, national or local level.

Question: How many seats did the Austrian legislative party first named the Communist Party of German-Austria gain in 1945?
Answer: four