Mubarak Al-Sabah broke the Ottoman hold over the Persian Gulf. Other rulers in the Gulf were inspired or influenced by Mubarak to take similar actions, many allying strongly with the British. Mubarak established not only the foundations of modern Kuwait but was a key person in the establishment of the modern Persian Gulf. Mubarak Al-Sabah Sheikh Mubarak bin Sabah Al-Sabah, KCSI, KCIE (1837 – November 28, 1915) () "the Great" was the seventh ruler of Kuwait from May 18, 1896 until his death on November 28, 1915. Mubarak ascended the throne upon killing his half-brother, Muhammad Al-Sabah. Mubarak was the seventh ruler
Rise of the Ottoman Empire large Ottoman fleet attacked Salonika by surprise. The Venetians signed a peace treaty in 1432. The treaty gave the Ottomans the city of Salonika and the surrounding land. The war between Serbia and Hungary and the Ottoman Empire had come to a standstill in 1441 when the Holy Roman Empire, Poland, Albania, and the Jandarid and Karamanid emirates (in violation of the peace treaty) intervened against the Ottomans. Niš and Sofia fell to the Christians in 1443 and the year after the Empire suffered a major defeat in the Battle of Jalowaz. July 12, 1444 Murad signed a treaty that