The May Coup ( or ) was a coup d'état carried out Action in Poland by Marshal Józef Piłsudski between 12 and 14 May 1926 .

The events were partly inspired Influence by the need for extraordinary measures in the face of newly emerging Coming_to_be threats to the stability of Poland 's independence by Piłsudski 's own assessment of the foreign treaties signed Sign_agreement by Weimar Germany with France in 1925 ( fundamentally abandoning GiveUp Poland ) and with the Soviet Russia in April 1926 , to which Poland 's representatives had not been invited Request .

Initially Piłsudski was offered Giving the presidency , but he declined Cause_change_of_position_on_a_scale in favor of Ignacy Mościcki .

Piłsudski , however , remained Presence the most influential politician in Poland , and became Becoming the `` power behind the throne '' until his death Death in 1935 .

The Polish coup Change_of_leadership d'état attempt in Lithuania refers to a failed attempt by Polish statesman Józef Piłsudski to overthrow Change_of_leadership the existing Lithuanian government of Prime Minister Mykolas Sleževičius , and install Change_of_leadership a pro-Polish cabinet that would agree Agree_or_refuse_to_act to a union with Poland .

Poland 's Chief of State , Józef Piłsudski , felt Coming_to_believe the time was right to expand Expansion Polish borders as far east as feasible , to be followed by a Polish-led `` Intermarium '' federation of Central and Eastern European states , as a bulwark against the re-emergence of German and Russian imperialism .

By the end Process_end of 1919 , a clear front had formed Coming_to_be as Petliura decided Deciding to ally with Piłsudski .

Border skirmishes escalated Expansion following Piłsudski 's Kiev Offensive in April 1920 .

On 4–5 January 1919 , right-wing National Democrats attempted Hold to overthrow Change_of_leadership the government of Jędrzej Moraczewski and Józef Piłsudski .

The coup forces succeeded in arresting Arrest Moraczewski 's government but not Piłsudski .