Irish Republic the Third Dáil, and all future institutions arising from it, as illegal. (See Second Dáil). The anti-Treaty side was then defeated in the Civil War. Most militant opposition to the Free State came to an end on 24 May 1923 when Frank Aiken, chief-of-staff of the IRA issued the order to "dump arms" and Éamon de Valera issued his address to the "Legion of the Rearguard". Éamon de Valera continued as president of the Sinn Féin political party. In March 1926, Éamon de Valera, along with most anti-Treaty politicians, founded a new party called 'Fianna Fáil' and ended their boycott
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