Éamon de Valera new line. However, a vote to accept the Free State Constitution (contingent on the abolition of the Oath of Allegiance) narrowly failed. Soon afterward, de Valera resigned from Sinn Féin and seriously considered leaving politics. However, one of his colleagues, Seán Lemass, convinced de Valera to found a new republican party. In March 1926, with Lemass, Constance Markievicz and others, de Valera formed a new party, Fianna Fáil ("The Warriors of Destiny"), a party that was to dominate 20th-century Irish politics. While Sinn Féin still held to an abstentionist line, Fianna Fáil was dedicated to republicanising the Free State from
Éamon de Valera address the United States Congress. In 1966, the Dublin Jewish community arranged the planting and dedication of the Éamon de Valera Forest in Israel, near Nazareth, in recognition of his support for Ireland's Jews. In January 1969, de Valera became the first President to address both houses of the Oireachtas, to mark the fiftieth anniversary of the foundation of Dáil Éireann. In 1969, seventy-three countries sent goodwill messages to NASA for the historic first lunar landing. These messages still rest on the lunar surface and de Valera's message on behalf of Ireland stated, "May God grant that the skill and