The Saudi National Day is the annual commemoration of the proclamation of the unification of the Kingdom of Saudi Arabia. It is an official holiday, marking the first day of Libra at the beginning of the Solar Hijri Year. It coincides with September 23 of the calendar year and is one of the key historical dates in the Saudi calendar, recognized by the government and adopted by the Royal Court as an article of official state regulations. Saudi National Day history After King Abdulaziz Bin Abdulrahman Al Saud determined that the state had achieved maturity and that its name should be changed from the Kingdom of Hejaz and Najd and its dependencies, with unification declared, and designated as the Kingdom of Saudi Arabia, and following unanimous agreement among the governing authorities and the receipt of numerous telegrams from across the country supporting this proposal, which were conve...