The Saudi Foundation Day is the anniversary of the founding of the Saudi state, and it falls on February 22 of each year. On January 27, 2022, King Salman bin Abdulaziz issued a royal order that February 22 of every year be a day to commemorate the founding of the Saudi state, in the name of the founding day, and it becomes an official holiday, and this day corresponds to the date of Jumada Al-Awwal 30 of 1139 AH, based on what historians concluded According to historical data that occurred during that period and witnessed the assumption of Imam Muhammad bin Saud rule in Diriyah and many achievements during his reign. SARS (Saudi Amateur Radio Society) is activating these three callsigns on this great historical occasion.