Mubarak Al-Sabah Anglo-Kuwaiti Treaty with Great Britain on November 23, 1899, pledging himself and his successors not to receive foreign agents or representatives or to cede or sell territory without the approval of the British government, with this agreement, and the guarantee it represented in Kuwait and the Al-Sabah family, he is regarded as the founder of modern-day Kuwait. German explorer, Hermann Burchardt, photographed Sheikh Mubarak in 1903, in what is now an iconic photograph. Mubarak was born into Kuwaiti's powerful al-Sabah family in 1837 son of Sheikh Sabah II Al-Sabah (r. 1859-1866). Once he was older Mubarak served primarily as the
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