Fourth of Rajab:
It happened on the fourth of Rajab,,
* Year 12 AH / September 633 AD: Muslims led by Khalid ibn al-Walid conquer the city of Anbar in Iraq.
* Year 692 AH / June 1293 AD: The death of the historian and writer Muhyi al-Din Abdullah bin Rashid al-Din bin Abdul Zahir – Known as Ibn Abd al-Zahir, Born in Cairo, The Construction Bureau undertook over, He left several important books in the history of Egypt, Of which: Al-Rawd Al-Zahir in the biography of King Al-Zahir – And honoring the days and eras with the biography of King Al-Mansur.
* Year 948 AH / October 1541 AD: The Ottomans achieve a brilliant victory over the Spanish and European Christians who attacked Algeria with huge forces, More than 20,000 crusaders were killed in the battle of Algiers. The Ottomans captured about 130 crusader ships, It was not until 1830 that no crusader power contemplated conquering Algeria that any crusader power contemplated conquering Algeria.
* Year 987 AH / August 1579 AD: The Ottoman Empire establishes the “Khazar Admiralty”, Its first prince was Muhammad Bey. This admiralty ended because Dagestan and Shirwan of Azerbaijan were transferred to the Safavid possession.
* Year 1106 AH / February 1695 AD: The Ottoman fleet engages the Venetian fleet in a naval battle near the Quiyun Islands, During which 9 Venetian ships sank without any Ottoman ships.
الرابع من رجب: *سنة1334هــ/مايو1916م: القائد العام للجيش الرابع العثماني "أحمد جمال باشا" الملقب بـ "السفاح" يعدم 21 وطنيًّا في بيروت ودمشق. ومارس "جمال باشا" سياسة قمعية ضد الوطنيين الشوام، وكان من أقطاب جمعية الاتحاد والترقي.
