April 28, 2021 The historical importance of Al-Ajlan Mosque is due to being one of the oldest mosques and it was located outside the old wall of Buraidah. It was established more than 350 years ago. The historical importance of Al-Ajlan Mosque is due to being one of the oldest mosques and it was located outside the old wall of Buraidah. It was established more than 350 years ago. The historical importance of Al-Ajlan Mosque is due to being one of the oldest mosques and it was located outside the old wall of Buraidah. It was established more than 350 years ago. The historical importance of Al-Ajlan Mosque is due to being one of the oldest mosques and it was located outside the old wall of Buraidah. It was established more than 350 years ago.