Pierre Marcilhacy was a French politician.

He was a Senator for the Charente

Charente

Charente is a department in southwestern France, in the Poitou-Charentes region, named after the Charente River, the most important river in the department, and also the river beside which the department's two largest towns, Angoulême and Cognac, are sited.-History:Charente is one of the original...

, sitting in the Democratic Left group. He ran against Charles de Gaulle

Charles de Gaulle

Charles André Joseph Marie de Gaulle was a French general and statesman who led the Free French Forces during World War II. He later founded the French Fifth Republic in 1958 and served as its first President from 1959 to 1969....

 in the French presidential election, 1965

French presidential election, 1965

The 1965 French presidential election was the first presidential election by direct universal suffrage of the Fifth Republic. It was also the first presidential election by direct universal suffrage since the Second Republic in 1848. It was won by incumbent president Charles de Gaulle who resigned...

 for the European Liberal Party, a small centrist liberal group. He won 1.71% and sided with François Mitterrand

François Mitterrand

François Maurice Adrien Marie Mitterrand was the 21st President of the French Republic and ex officio Co-Prince of Andorra, serving from 1981 until 1995. He is the longest-serving President of France and, as leader of the Socialist Party, the only figure from the left so far elected President...

, who happened to be born in the same town, Jarnac

Jarnac

Jarnac is a commune in the Charente department in southwestern France.It is the site of the Battle of Jarnac in 1569.-Geography:Jarnac is situated on the right bank of the river Charente between the towns of Angoulême and Cognac...

, in the runoff.

He lost his Senate seat in 1981 but entered the Constitutional Council of France

Constitutional Council of France

The Constitutional Council is the highest constitutional authority in France. It was established by the Constitution of the Fifth Republic on 4 October 1958, and its duty is to ensure that the principles and rules of the constitution are upheld.Its main activity is to rule on whether proposed...

in 1983.