Greco-Turkish War (1919–1922)
The Greek campaign was launched primarily because the western Allies, particularly British Prime Minister David Lloyd George, had promised Greece territorial gains at the expense of the Ottoman Empire, recently defeated in World War I. The armed conflict started when the Greek forces landed in Smyrna (now Izmir), on 15 May 1919. They advanced inland and took control of the western and northwestern part of Anatolia, including the cities of Manisa, Balıkesir, Aydın, Kütahya, Bursa and Eskişehir. Their advance was checked at the Battle of Sakarya in 1921 by forces of the Turkish national movement. The Greek front collapsed with the Turkish counter-attack in August 1922, and the war effectively ended with the recapture of Smyrna by the Turkish forces and the Great Fire of Smyrna.
Egyptian–Ottoman War (1831–1833)
The First Egyptian-Ottoman War, First Turco-Egyptian War or First Syrian War (1831–1833) was a military conflict between the Ottoman Empire and Egypt brought about by Muhammad Ali Pasha's demand to the Sublime Porte for control of Greater Syria, as reward for aiding the Sultan during the Greek War of Independence. As a result, Muhammad Ali's forces temporarily gained control of Syria, advancing as far north as Kütahya.
Muhammad Ali Pasha is recorded as planning to extend his rule to the Ottoman Empire’s Syrian provinces as early as 1812, secretly telling the British consul of his designs on the territory that year. This desire was left on hold however as he consolidated his rule over Egypt, modernizing its government administration, public services, and armed forces, and suppressing various rebellions –– including Mameluk and Wahhabi uprisings –– on behalf of Sultan Mahmud II.