The Pope asked for prayers so that both sides would "not go ahead with passions, which in the end, kill everyone".
The Vatican has been vocal in calling for the release of all hostages as well as a ceasefire.
The hostages, captured by Hamas on October 7th, 2023, are reported to be in dire conditions, with fears of torture and urgent medical needs.
WJC said its “Kishreinu” initiative was a response to Nostra Aetate, the landmark 1965 document that modernized the relationship between the Roman Catholic Church, Judaism and other religions.
The death toll in Israel from Hamas' attack has reached 1,300, with more than 3,000 people injured, as hostages remain trapped in Gaza.
The appointment of Archbishop Pizzaballa as a cardinal underlines the Vatican's desire to play a more active role in the ongoing diplomatic discussions concerning Jerusalem.
Francis spoke out in favor of welcoming migrants, in a long speech that concluded a Church conference on Mediterranean issues.
According to the UNHCR, the UN Refugee Agency, about 178,500 migrants have come to Europe in the year to date via the Mediterranean, while about 2,500 died or went missing on the way.
The letter, dated December 14 1942, proved Pope Pius knew of extermination camps killing Jews and Poles.
The researchers were careful to note that the scholarly understanding of the role of the Catholic world in the actions taken by Germany’s Nazi regime is unchanged.