New Socialist Party is an organized caucus

Caucus

A caucus is a meeting of supporters or members of a political party or movement, especially in the United States and Canada. As the use of the term has been expanded the exact definition has come to vary among political cultures.-Origin of the term:...

 in the French Socialist Party

Socialist Party (France)

The Socialist Party is a social-democratic political party in France and the largest party of the French centre-left. It is one of the two major contemporary political parties in France, along with the center-right Union for a Popular Movement...

. The NPS made up part of the left wing

Left-wing politics

In politics, Left, left-wing and leftist generally refer to support for social change to create a more egalitarian society...

 of the party.

The NPS was founded in October 2002 by Arnaud Montebourg

Arnaud Montebourg

Arnaud Montebourg is a French politician, and a deputy of the fifth district of Saône-et-Loire to the French National Assembly for the Socialist Party. He has also been elected president of the local assembly of Saône et Loire after local elections in 2008...

, Vincent Peillon

Vincent Peillon

Vincent Benoît Camille Peillon is a French politician and Member of the European Parliament for the north-west of France...

, Julien Dray

Julien Dray

Julien Dray was born on 5 March 1955 in Oran, French Algeria. He is currently a member of the National Assembly of France. He represents the Essonne department, and is a member of the Socialiste, radical, citoyen et divers gauche.-Works:...

 (former member of the Socialist Left

Socialist Left (France)

Socialist Left was an organized caucus in the French Socialist Party. The GS made up part of the left wing of the party.The GS was founded in 1988 to oppose the inclusion center-right politicians in the cabinet of president François Mitterrand...

) and Benoît Hamon

Benoît Hamon

Benoît Hamon is a French politician, member of the Socialist Party , part of the Party of European Socialists. He was Member of the European Parliament for the East of France from 2004 to 2009. He was national secretary for Europe in the French socialist party. At present, he is spokesman...

.

At the Dijon Congress

Dijon Congress

The Dijon Congress was the twentieth national congress of the French Socialist Party . It took place from May 16 to 18, 2003....

 in 2003, the NPS motion obtained 16.88%. At the 2005 Le Mans Congress

Le Mans Congress

The Le Mans Congress was the twenty-first national congress of the French Socialist Party . It took place from November 18 to 20, 2005....

, the NPS motion obtained 23.54%. However, the NPS imploded following the Le Mans Congress, with Arnaud Montebourg

Arnaud Montebourg

Arnaud Montebourg is a French politician, and a deputy of the fifth district of Saône-et-Loire to the French National Assembly for the Socialist Party. He has also been elected president of the local assembly of Saône et Loire after local elections in 2008...

 founding the Renovate Now

Renovate Now

Renovate Now is an organized caucus in the French Socialist Party.The faction was founded in 2005, when Arnaud Montebourg refused to support the motion de synthèse at the Le Mans Congress which marked the rallying of most of the NPS to the majority motion led by François Hollande.Montebourg...

 faction and Peillon, Hamon, and Emmanuelli continuing a rump NPS.

The rump NPS split again before the Reims Congress

Reims Congress

The Reims Congress was the twenty-second national congress of the French Socialist Party , taking place from 14 to 16 November 2008 in the city of Reims in the Marne....

, when Peillon left the NPS, which supported Benoît Hamon's motion, to support Ségolène Royal

Ségolène Royal

Marie-Ségolène Royal , known as Ségolène Royal, is a French politician. She is the president of the Poitou-Charentes Regional Council, a former member of the National Assembly, a former government minister, and a prominent member of the French Socialist Party...

's motion.