Ottoman Empire

Topkapi Palace, built by Mehmed II, was the residence of the Sultans and the seat of government until the mid-19th century. It housed the Harem, the Treasury, and the Divan (Imperial Council).

The Sheikh ul-Islam was the highest religious authority in the empire. He issued 'fatwas' (legal opinions) to ensure that the Sultan's laws and actions were in accordance with Sharia (Islamic law).

As the empire faced internal revolts and territorial losses to Russia and the Balkans, it became known as the 'Sick Man of Europe,' surviving largely because European powers could not agree on how to divide its remains.

Mehmed II codified the law of fratricide in his 'Kanunname,' stating that for the welfare of the state, whichever son became Sultan could execute his brothers to prevent succession wars. This was later replaced by the 'Cage' system.

The Sipahis were freeborn cavalrymen who held land grants (Timars). Unlike the Janissaries, they lived in the provinces and were responsible for maintaining order and providing troops during war.

In diplomacy, 'The Sublime Porte' (Bab-i Ali) became a metonym for the Ottoman government, specifically the offices of the Grand Vizier, where most of the state's foreign policy was conducted.

Orhan Gazi was the first to adopt the Tughra, which became a highly stylized and complex piece of calligraphy representing the Sultan's name and titles. It was placed on all official documents and coins.

The Sultanate of Women was a period where powerful Valide Sultans (mothers of Sultans) and wives, like Hurrem Sultan and Kosem Sultan, exerted immense political influence over the empire's affairs.

Barbarossa was a former pirate who was appointed Grand Admiral by Suleiman the Magnificent. His victory at Preveza (1538) secured Ottoman naval supremacy in the Mediterranean for decades.

The Sultan Ahmed Mosque, known as the Blue Mosque because of its interior tilework, was built between 1609 and 1616. It was controversial for having six minarets, the same number as the mosque in Mecca at the time.

The Valide Sultan was the most powerful woman in the empire. She managed the internal affairs of the Harem and often acted as a key advisor or even regent for her son, the Sultan.

The Battle of Mohacs was a decisive victory for Suleiman the Magnificent. The death of King Louis II of Hungary in the battle led to the partition of Hungary and decades of conflict between the Ottomans and the Habsburgs.

The Young Turk Revolution of 1908 restored the constitution and eventually led to the deposition of Abdulhamid II. This group dominated Ottoman politics until the end of World War I.

Murad I was assassinated by a Serbian nobleman named Milos Obilic either during or immediately after the battle. He was the only Ottoman Sultan to die in battle on the field.

The first Arabic-letter printing press in the Ottoman Empire was established by Ibrahim Muteferrika in 1727, during the reform-minded Tulip Period, signaling a shift toward modern technology.

Mahmud II mandated the Fez as part of his modernization program to unify the appearance of his officials and break with the traditional, often class-defining turbans of the past.

After the conquest of the Crimean Khanate and the capture of key coastal cities, the Ottomans controlled all shores of the Black Sea, effectively making it a closed Ottoman lake for nearly 300 years.

In the 17th century, the practice of fratricide was replaced by the 'Kafes' system. Princes were confined to the palace until they either became Sultan or died, which often led to Sultans ascending the throne with no political or military experience.

Selim I defeated Shah Ismail of the Safavid Empire at Chaldiran, securing Eastern Anatolia and stopping the westward spread of Shia influence into Ottoman lands.

The Divan was the high council where the Grand Vizier and other ministers met to discuss state affairs, justice, and military planning. The Sultan often watched the proceedings from behind a grilled window.