| c. 1254–1258 | Osman is believed to have been born in Söğüt. The exact year is disputed. | Osman Gazi and the Founding of the Ottoman State |
| About 1281 | Common but unconfirmed date for Orhan Gazi's birth in Söğüt. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1285–1286 | According to İnalcık's chronology, clashes occur with the lord of İnegöl on the Söğüt–Domaniç route. | Osman Gazi and the Founding of the Ottoman State |
| 1299 | The traditional founding date of the Ottoman state. | Osman Gazi and the Founding of the Ottoman State |
| 14th century | The corps forms during the era of Orhan Bey and Murad I. The exact year is disputed. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 27 July 1302 | Victory at Bapheus, İnalcık's proposed turning point for the founding. | Osman Gazi and the Founding of the Ottoman State |
| Spring 1303 | In İnalcık's chronology, the siege of Bursa follows the Dimbos victory. | Osman Gazi and the Founding of the Ottoman State |
| 1304 | In İnalcık's chronology, Lefke and Geyve are taken. | Osman Gazi and the Founding of the Ottoman State |
| September 1323 | The Asporça Hatun foundation deed is drawn up. | Osman Gazi and the Founding of the Ottoman State |
| 1324 | Osman's death, according to İnalcık's dating from the deeds. | Osman Gazi and the Founding of the Ottoman State |
| 1324 | A foundation deed supports the view that he was already ruling. Chronicles give 1326. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 8–18 March 1324 | The Mekece deed records members of Osman's family. | Osman Gazi and the Founding of the Ottoman State |
| 1326 | Orhan conquers Bursa. | Osman Gazi and the Founding of the Ottoman State |
| 6 April 1326 | Bursa surrenders after a long blockade and becomes the Ottoman capital. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1327 | Silver coins are struck in his name in Bursa. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1331 | Orhan conquers İznik. | Osman Gazi and the Founding of the Ottoman State |
| 1331 | İznik joins Ottoman lands. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1333 | Ibn Battuta visits Bursa. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1337 | İzmit joins Ottoman rule. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1339–1340 | Date of construction given on the Orhan Gazi Mosque inscription. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| March 1362 | Orhan Gazi dies in Bursa; Murad I becomes ruler. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 28 July 1402 | Bayezid loses at Ankara and is captured. The Interregnum begins. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| Spring 1403 | Mehmed defeats İsa at Ulubat and takes Bursa. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 1403 | Süleyman's treaty hands Thessaloniki (Selânik) to Byzantium. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| September 1403 | According to Clavijo, İsa is no longer alive. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| March 1404 | Süleyman takes Bursa. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 13 February 1410 | Musa defeats Süleyman's forces at Yanbolu. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 15 June 1410 | Süleyman defeats Musa at Kosmidion. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| Autumn 1411 | Musa besieges Istanbul without success. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 17 February 1411 | Musa declares his rule in Edirne. Süleyman is killed. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 5 July 1413 | Mehmed wins at Çamurlu. The Interregnum ends. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 1414 | The Edirne Old Mosque, begun by Süleyman, is finished under Mehmed. | The Ottoman Interregnum: Four Brothers’ War for the Throne |
| 30 March 1432 | Born in Edirne. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1443 | Sent to Manisa as governor. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1444-1446 | First reign. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1446 | The Buçuktepe Revolt takes place in Edirne. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 1451 | Took the Ottoman throne for the second time. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1452 | Built the Rumeli Fortress. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1453 | Janissaries take part in the conquest of Istanbul. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 6 April 1453 | Siege of Constantinople began. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 22 April 1453 | Part of the Ottoman fleet was moved overland into the Golden Horn. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 29 May 1453 | Constantinople fell. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1456 | Siege of Belgrade failed. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1461 | Empire of Trebizond ended. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1462 | Wallachian campaign against Vlad III. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 11 August 1473 | Uzun Hasan defeated at Otlukbeli. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1478 | Mehmed-era construction of Topkapı Palace completed. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1480 | Gentile Bellini painted his portrait. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| Late 15th century | Born in Ağırnas, near Kayseri. The exact year is disputed. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 3 May 1481 | Died at Hünkârçayırı; Bayezid II succeeded him. | Mehmed the Conqueror: Life of the Sultan Who Took Constantinople |
| 1512–1520 | Recruited during the reign of Selim I. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1521 | The Ottomans take Belgrade. It becomes a forward base for operations against Hungary. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 1521 | Took part in the Belgrade campaign. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1522 | Took part in the Rhodes campaign. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1525 | After Francis I is captured at Pavia, France asks for Ottoman help. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 21 August 1526 | The Ottoman army crosses the Drava on a floating bridge. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 29 August 1526 | The Hungarian royal army is defeated at Mohács. Louis II drowns while fleeing. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 11 September 1526 | Suleiman enters Buda. The army later leaves the city. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 10 November 1526 | János Szapolyai is elected king of Hungary. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 17 December 1526 | Ferdinand is elected king by a rival assembly. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 1529 | The first Ottoman siege of Vienna ends without the city being taken. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 1530 | Vienna begins building modern fortifications. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 1534 | By his own account, built three galleys at Tatvan during the Irakeyn campaign. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1538 | Built the bridge over the Prut River for the army. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1538 | Became chief architect, according to the Ministry of Culture and Tourism. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1541 | The division of Hungary into three political regions becomes clear. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 1550–1557 | Süleymaniye Mosque built in Istanbul. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| Mid-16th century | Firearms become the main weapon of most Janissaries. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 1568 | Work began on the Selimiye Mosque in Edirne. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1574–1575 | Selimiye completed; sources give these two different years. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1586–1587 | Tezkiretü'l-bünyân thought to have been written. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 17 July 1588 | Died in Istanbul. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 1622 | Osman II is deposed and killed during an uprising. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 1683 | The Treaty of Warsaw sets up Habsburg-Polish mutual help. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 14 July 1683 | Kara Mustafa Pasha's army besieges Vienna. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 8 September 1683 | Ottoman forces capture the Burg ravelin. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 12 September 1683 | The relief army under Sobieski defeats the Ottoman army and lifts the siege. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 25 December 1683 | Kara Mustafa Pasha is executed in Belgrade. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 12 August 1687 | The second Battle of Mohács ends in an Ottoman defeat. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |
| 1697 | The defeat at Zenta increases the pressure for peace. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 26 January 1699 | The Treaty of Karlowitz is signed. | The Second Siege of Vienna, 1683: Where Ottoman Decline Began |
| 21 July 1718 | The Treaty of Passarowitz is signed. This is the traditional start of the Tulip Era. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| September 1722 | Ahmed III orders 450 trees to be brought from the Yoros mountains for Sâdâbâd. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| October 1722 | A price ceiling is set for tulip bulbs. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| 1723 | The Ottoman state goes to war with Iran. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| July 1727 | The Müteferrika Press receives its official printing permit. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| 1728 | The Ahmed III Fountain is built in Üsküdar. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| 31 January 1729 | Vankulu Lûgati is published. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| During the 1730 revolt | Nevşehirli Damat İbrahim Pasha is executed. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| September 1730 | The Patrona Halil revolt begins. Sources give 25 or 28 September. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| 2 October 1730 | Ahmed III gives up the throne. Mahmud I becomes sultan. | The Tulip Era: How the Ottoman Age of Pleasure Ended |
| 1807–1808 | Revolts interrupt military reform efforts. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 12 June 1826 | Drills of the new Eşkinci troops start at Etmeydanı. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 15 June 1826 | The Janissary revolt begins. Troops loyal to the sultan fire cannon at the barracks. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 17 June 1826 | The decree abolishing the Janissaries takes effect. A new force replaces them. | Who Were the Janissaries? Rise and Fall of the Ottoman Corps |
| 1855 | The Bursa earthquake destroys Osman's tomb. | Osman Gazi and the Founding of the Ottoman State |
| 1855 | Earthquake destroys the tomb. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1861 | Born in Istanbul. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 1863 | Sultan Abdülaziz has the tomb rebuilt. | Osman Gazi and the Founding of the Ottoman State |
| 1863 / 1868 | Sources give different years for the rebuilding under Sultan Abdülaziz. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 1 February 1916 | Becomes heir to the throne. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| December 1917 | Travels to Germany with Mustafa Kemal. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 4 July 1918 | Accession ceremony held. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 30 October 1918 | Armistice of Mondros signed. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 30 April 1919 | Mustafa Kemal appointed Ninth Army Inspector. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 8–9 July 1919 | Mustafa Kemal told he is dismissed and must return. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 24 May 1920 | Approves Mustafa Kemal's death sentence. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 10 August 1920 | Treaty of Sèvres signed. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 1 November 1922 | Sultanate abolished. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 17 November 1922 | Leaves aboard HMS Malaya. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 18 November 1922 | Caliphate passes to Abdülmecid Efendi. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 16 May 1926 | Dies in Sanremo. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 3 July 1926 | Buried in Damascus. | Mehmed VI Vahideddin: The Last Sultan, Traitor or Victim? |
| 2011 | Selimiye Mosque and its Social Complex added to the UNESCO World Heritage List. | Mimar Sinan: The Master Architect of the Ottoman Empire |
| 2014 | Bursa and Cumalıkızık join the UNESCO World Heritage List. | Osman Gazi and the Founding of the Ottoman State |
| 2014 | Bursa and Cumalıkızık enter the UNESCO World Heritage List. | Orhan Gazi and the Conquest of Bursa: The First Ottoman Capital |
| 2026 | Preliminary results are published on the anthropological study of the fourth mass grave. | The Battle of Mohács: The Two-Hour Battle That Ended Hungary |