The Federalist Party is a French European federalist

Federalism

Federalism is a political concept in which a group of members are bound together by covenant with a governing representative head. The term "federalism" is also used to describe a system of the government in which sovereignty is constitutionally divided between a central governing authority and...

 political party, founded in 1995 by Jean-Philippe Allenbach and whose main leader is currently Yves Gernigon.

The party ran in the 2004 regional elections

French regional elections, 2004

Regional elections in were held in France on 21 and 28 March 2004. At stake were the presidencies of each of France's 26 regions which, although they do not have legislative powers, manage sizeable budgets...

, running lists in four regions. In Ile-de-France

Île-de-France (région)

Île-de-France is the wealthiest and most populated of the twenty-two administrative regions of France, composed mostly of the Paris metropolitan area....

, it won 2.51% in association with Ecology Generation. In 1998 regional elections

French regional elections, 1998

Regional elections were held in France on 15 March 1998. At stake were the presidencies of each of France's 26 régions, which, though they don't have legislative autonomy, manage sizeable budgets...

 its lists had obtained between 0.52 and 3.87 percent. In the 2004 EU Parliamentary elections

European Parliament election, 2004 (France)

Elections to the European Parliament were held in France on 13 June 2004. The opposition Socialist Party made substantial gains, although this was mainly at the expense of minor parties...

 it ran lists in all eight constituencies, with its best results coming from East France

East France (European Parliament constituency)

In European elections, East France is a constituency of the European Parliament. It consists of the regions of Alsace, Bourgogne, Champagne-Ardenne, Franche-Comté and Lorraine-2009:-2004:...

 and Île-de-France

Île-de-France (European Parliament constituency)

In European elections, Île-de-France is a constituency of the European Parliament. It consists of the region of Île-de-France.-2009:-2004:Brackets indicate the number of votes per seat won....

 with 0.02% in each of the regions.

After failing to gather the required 500 endorsements to run, Christian Chavrier, leader of Federalist Party in 2007, endorsed the Union for French Democracy

Union for French Democracy

The Union for French Democracy was a French centrist political party. It was founded in 1978 as an electoral alliance to support President Valéry Giscard d'Estaing in order to counterbalance the Gaullist preponderance over the right. This name was chosen due to the title of Giscard d'Estaing's...

 (UDF) candidate Francois Bayrou

François Bayrou

François Bayrou is a French centrist politician, president of Union for French Democracy since 1998 and was a candidate in the 2002 and 2007 French presidential elections. In the first round, he received 18.6% of the vote, finishing in 3rd place and therefore was eliminated from the race....

 in the 2007 presidential election

French presidential election, 2007

The 2007 French presidential election, the ninth of the Fifth French Republic was held to elect the successor to Jacques Chirac as president of France for a five-year term.The winner, decided on 5 and 6 May 2007, was Nicolas Sarkozy...

.