Title: Walery Sławek
Content:  Walery Jan Sławek (2 November 1879 &ndash; 3 April 1939) was a Polish politician, freemason, military officer and activist, who in the early 1930s served three times as Prime Minister of Poland. He was one of the closest aides of Polish leader, Józef Piłsudski.
Title: Walery Sławek
Content:  its main ideologist and one of the most influential persons in the country. One of the closest associates of Piłsudski, he was fanatically devoted to the Marshal, who called him the “Loyal Walery”. Sławek was one of the first ten persons awarded with the Cross of Independence with Swords. After the collapse of the government of Kazimierz Bartel, on March 29, 1930 Sławek became Prime Minister of Poland as one of the so-called Piłsudski's colonels. His cabinet was almost identical to the government of Bartel, with Stanisław Car as Minister Justice, Leon Janta Połczyński as Minister of Agriculture and Felicjan Sławoj Składkowski as Minister of Interior. The creation of the new cabinet 
Title: Walery Sławek
Content:  decided to make a pact with Edward Rydz-Śmigły, in order to sideline Sławek and remove him from the government. In the second half of 1935, Sławek began to lose his position, to resign on October 12, 1935. Furthermore, on October 30 he decided to dissolve the BBWR. Soon afterwards, Ignacy Mościcki offered the seat of Prime Minister to Sławek, on the condition that Eugeniusz Kwiatkowski becomes his deputy. Sławek refused, and as a result, Marian Zyndram-Kościałkowski was named the new premier. On August 15, 1935, deputies and senators of BBWR handed to Sławek a privately purchased manor house, located in the village of Janowiczki, near the site of the Battle of Racławice.
Title: Walery Sławek
Content:  in deterioration of the relations between the government and the Sejm. The Centrolew coalition called for an extraordinary session of the Parliament, but President Ignacy Mościcki refused. On June 30, a massive anti-government rally took place in Kraków, the Congress for the Defense of Law and Freedom of People (Kongres Obrony Prawa i Wolnosci Ludu). The size of the Congress took the government by surprise, and on August 23, 1930, Sławek resigned, claiming that he was unable to be prime minister and chairman of the BBWR at the same time. Following the so-called Brest Election, Sławek returned to the previous post and once again became the Polish Prime Minister (December 4, 1930). 
Title: Walery Sławek
Content:  he met and became friends with the future Marshal of Poland, Józef Piłsudski, and Aleksander Prystor. In June 1902, Sławek was elected leader of the PPS for the Governorates of Kielce and Piotrków Trybunalski. At that time, he fell in love with Wanda Juszkiewicz, the stepdaughter of Józef Piłsudski. She became the love of his life, and after her premature death, Sławek did not become involved in any other relationship. On March 6, 1903, he was for the first time arrested by Russian police, at a rail station in Będzin. Sent first to a prison in Piotrków Trybunalski, Sławek escaped on December 
Title: Walery Sławek
Content:  War he remained in southeastern provinces of Poland, where he tried to create mixed, Polish-Ukrainian volunteer units. Between 1922 and 1923, Sławek attended the Wyższa Szkoła Wojenna (military school) in Warsaw. After graduation and nomination to the rank of Officer of the General Staff, he was sent to Łódź (October 15, 1923, to the staff of 4th Military District. At that time, he became a Freemason. On November 29, 1923, Sławek was transferred to the Officer Reserve Corps, and on June 30, 1924, he became chairman of the Association of Polish Legionnaires, together with Adam Skwarczyński. During 1926 May Coup (Poland), Sławek remained close to Piłsudski but did not take part in military activities. After the coup, he returned to active service, remaining in the army until 1928.
Title: Walery Sławek
Content:  to accept the invitation, but later stated that his promotion to Marshal was one of the saddest days of his life, as he was of the opinion that Józef Piłsudski was the only person worthy of that rank. On February 21, 1937, the Camp of National Unity (OZN) was officially formed. It was yet another blow to Sławek's prestige, as in his opinion, the new party was designed to provide Rydz-Śmigły with unlimited power. On June 22, 1938, after the death of Stanisław Car, Sławek became the new speaker of the Sejm, with 114 deputies voting for him. The parliament, however, was dissolved by the President on September 18. The new election took place on November 6, 1938 (see 1938 Polish legislative election). Sławek failed to win the seat in the parliament.
Title: Walery Sławek
Content:  Sławek was one of the chief advisors of Piłsudski. In mid-1914, he joined 1st Brigade, Polish Legions, but in August, he did not march with First Cadre Company to Congress Poland, remaining in Kraków. In 1915, Sławek was sent by Piłsudski to Warsaw, where he created local structures of Polish Military Organisation (POW). At the same time, he formed a secret body within the POW, called Military Association (Zwiazek Wojskowy), later renamed into Organization A. In December 1916, after the creation of Provisional Council of State, Sławek was employed by its Military Commission. Following the Oath crisis, he was arrested by the Germans (July 13, 1917), and sent to Warsaw Citadel and then to Szczypiorno and Modlin. He was finally released on November 12, 1918.
Title: Walery Sławek
Content:  to be replaced by Aleksander Prystor. Sławek then devoted his time to writing a new Constitution of Poland, together with Kazimierz Świtalski and Stanislaw Car. The April Constitution of Poland was passed by the act of the Sejm on 23 April 1935. It introduced in Poland a presidential system with certain elements of authoritarianism. On March 28, 1935, Sławek for the third time was named Prime Minister of Poland. On July 13, President Ignacy Mościcki awarded him with the Order of the White Eagle (Poland), for his work on the new Constitution. Since Sławek regarded himself as the new leader of Poland after the death of Józef Piłsudski (May 12, 1935), President 
Title: Walery Sławek
Content:  Piłsudskiego, Warszawa 1997). A few hours before his death, Sławek met with a man named Bogdan Podoski, to whom he said: "I know it, I feel that they are leading Poland to destruction, and I do not know how to react against it". In 2004, in a Polish Newsweek article, historian Dariusz Baliszewski wrote that in early spring of 1939, a group of leading Polish political figures, such as General Kazimierz Sosnkowski, former Premier Leon Kozłowski and Kazimierz Puzak, planned a putsch, in which they wanted to get rid of Józef Beck, Ignacy Mościcki and Edward Śmigły-Rydz, whose recent change to anti-German and pro-British policies would lead to the destruction of Poland. Walery Sławek was to be elected new President of Poland, but the plot was revealed, and to avoid embarrassment, Sławek either killed himself or was murdered.

Question: Verify the following claims with "True" or "False": Walery Sławek was a prime minister.
Answer: True