The Franco-Polish Alliance was the

military alliance A military alliance is a formal Alliance, agreement between nations concerning national security. Nations in a military alliance agree to active participation and contribution to the defense of others in the alliance in the event of a crisis. ...

between

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

and

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

that was active between the early 1920s and the outbreak of the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. The initial agreements were signed in February 1921 and formally took effect in 1923. During the

interwar period In the history of the 20th century, the interwar period lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days), the end of the World War I, First World War to the beginning of the World War II, Second World War. The in ...

the alliance with Poland was one of the cornerstones of French foreign policy.

Background

During the France-Habsburg rivalry, which began in the 16th century, France tried to find allies to the east of

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

, hoping to ally with Poland. Polish King

Jan III Sobieski John III Sobieski ( pl, Jan III Sobieski; lt, Jonas III Sobieskis; la, Ioannes III Sobiscius; 17 August 1629 – 17 June 1696) was King of Poland and Grand Duke of Lithuania from 1674 until his death in 1696. Born into Polish nobility, Sobie ...

also had the intention to ally with France against the threat of Austria, but the greater threat posed by the Muslim-led

Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...

made him fight for the Christian cause in the

Battle of Vienna The Battle of Vienna; pl, odsiecz wiedeńska, lit=Relief of Vienna or ''bitwa pod Wiedniem''; ota, Beç Ḳalʿası Muḥāṣarası, lit=siege of Beç; tr, İkinci Viyana Kuşatması, lit=second siege of Vienna took place at Kahlenberg Mou ...

. In the 18th century, Poland was partitioned by

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...

and

, but

Napoleon Napoleon Bonaparte ; it, Napoleone Bonaparte, ; co, Napulione Buonaparte. (born Napoleone Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French military commander and political leader who ...

recreated the Polish state in the

Duchy of Warsaw The Duchy of Warsaw ( pl, Księstwo Warszawskie, french: Duché de Varsovie, german: Herzogtum Warschau), also known as the Grand Duchy of Warsaw and Napoleonic Poland, was a French client state established by Napoleon Bonaparte in 1807, during ...

. With the rise of a united

German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...

in the 19th century, France and Poland found a new common enemy.

Interwar period

During the

Polish–Soviet War The Polish–Soviet War (Polish–Bolshevik War, Polish–Soviet War, Polish–Russian War 1919–1921) * russian: Советско-польская война (''Sovetsko-polskaya voyna'', Soviet-Polish War), Польский фронт (' ...

of 1920, France, one of the most active supporters of Poland, sent the

French Military Mission to Poland The French Military Mission to Poland was an effort by France to aid the nascent Second Polish Republic after it achieved its independence in November 1918, at the end of the First World War. The aim was to provide aid during the Polish-Soviet War ...

to aid the Polish army. In early February in Paris, three pacts were discussed by Polish Chief of State

Józef Piłsudski ), Vilna Governorate, Russian Empire (now Lithuania) , death_date = , death_place = Warsaw, Poland , constituency = , party = None (formerly PPS) , spouse = , children = Wan ...

and

French President The president of France, officially the president of the French Republic (french: Président de la République française), is the executive head of state of France, and the commander-in-chief of the French Armed Forces. As the presidency is ...

Alexandre Millerand Alexandre Millerand (; – ) was a French politician. He was Prime Minister of France from 20 January to 23 September 1920 and President of France from 23 September 1920 to 11 June 1924. His participation in Waldeck-Rousseau's cabinet at the sta ...

: political, military and economic. The political alliance was signed there on February 19, 1921 by

Polish Minister of Foreign Affairs The Ministry of Foreign Affairs (''Ministerstwo Spraw Zagranicznych'', MSZ) is the Polish government department tasked with maintaining Poland's international relations and coordinating its participation in international and regional supra-natio ...

Count

Eustachy Sapieha Eustachy Kajetan Sapieha (2 August 1881 – 20 February 1963) was a Polish nobleman, prince of the Sapieha family, politician, Polish Minister of Foreign Affairs, and deputy to the Polish parliament (Sejm). Politics In 1900–04, he studied f ...

and

French Minister of Foreign Affairs The Ministry for Europe and Foreign Affairs () is the ministry of the Government of France that handles France's foreign relations. Since 1855, its headquarters have been located at 37 Quai d'Orsay, close to the National Assembly. The term Qu ...

Aristide Briand Aristide Pierre Henri Briand (; 28 March 18627 March 1932) was a French statesman who served eleven terms as Prime Minister of France during the French Third Republic. He is mainly remembered for his focus on international issues and reconciliat ...

, in the background of the negotiations that ended the Polish–Soviet War by the

Treaty of Riga The Peace of Riga, also known as the Treaty of Riga ( pl, Traktat Ryski), was signed in Riga on 18 March 1921, among Poland, Soviet Russia (acting also on behalf of Soviet Belarus) and Soviet Ukraine. The treaty ended the Polish–Soviet War. ...

. The agreement assumed a common foreign policy, the promotion of bilateral economical contacts, the consultation of new pacts concerning Central and Eastern Europe and assistance in case one of the signatories became a victim of an "unprovoked" attack. As such, it was a

defensive alliance {{Short pages monitor