In 1950, the party works intensively for the Stockholm Appeal.

In 1950, several Swedish peace organizations warned their supporters against signing the WPC's Stockholm Appeal.

On March 15, 1950, the World Peace Council approved the Stockholm Appeal, calling for an absolute ban on nuclear weapons.

In June 1975 the WPC launched a second Stockholm Appeal during a period of détente between East and West.

The Movement organised a massive campaign of support in France for the Stockholm appeal which gathered millions of signatures, including that of Jacques Chirac.

In 1950, he signed the Soviet-inspired Stockholm Appeal for the abolition of nuclear weapons - which led him to be questioned when he applied for his first visa to the United States.

The Peace Information Center (PIC) was a anti-war organization based in the United States which provided information on peace initiatives in other countries, and promoted the Stockholm appeal.

He was therefore even less popular in the U.S. during the McCarthyism period; in 1951, he was refused re-entry into the U.S. because he had signed the Stockholm Appeal.

On 18 March 1950, the WPC launched its Stockholm Appeal at a meeting of the Permanent Committee of the World Peace Congress, calling for the absolute prohibition of nuclear weapons.

In 1950, Rogge was a member of the Peace Information Center, a short-lived anti-war organization that provided information on peace initiatives in other countries and promoted the Stockholm Appeal, a call for an absolute ban on nuclear weapons.

In reference to the Stockholm Appeal for nuclear disarmament (L'appel de Stockholm in French), a poster was produced of La pelle de Stockholm ("The shovel of Stockholm"), digging the grave of the countries in Eastern Europe.

In response to the Stockholm Appeal, Jean-Paul David, then Radical Socialist Party deputy mayor of Mantes-la-Jolie and later Secretary General of the Rally of Republican Lefts, created Paix et Liberté in 1950, against the propaganda of the French Communist Party.