A military coup overthrows the royalist government in Yemen in 1962.

Nasser intervenes to support the new republican government against the Saudi Arabia-backed royalists, who are attempting to regain control.

This undertaking will prove to be a great drain on Egypt's financial and military resources

At the height of its involvement, Egypt will have seventy-five thousand troops in Yemen.

Egypt's intervention also increases inter-Arab tensions, especially between Saudi Arabia and Egypt.

Egypt's defeat at the hands of Israel in the June 1967 War will oblige it to withdraw its forces from Yemen and to seek peace.

A settlement will be achieved at a conference in Khartoum in 1967.