Bayezid I held captive by Timur — painting by Stanisław Chlebowski (1878)
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1624004

Sultan Bajozeth I — c. 16th century
Photo Credit: By Paolo Veronese - Public Domain, https://commons.wikimedia.org/w/index.php?curid=66341132

Area of the Ottoman Beylik during the reign of Osman I —
Photo Credit: By DragonTiger23 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=14472097

Ottoman Beylik c. 1355 — rhan's reign
Photo Credit: By DragonTiger23 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15373627

Conquests of Murad I —
Photo Credit: By DragonTiger23 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=24982313

Miloš Obilić at the tent of Sultan Murad —
Photo Credit: By Pavle Čortanović and Adam Stefanović - Public Domain, https://commons.wikimedia.org/w/index.php?curid=37332537

Miloš Obilić — 1861, oil, by Aleksandar Dobrić
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=6585769

Murad I — 16th century miniature
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=97095357

Orhan — Detail of an Ottoman miniature painting depicting Orhan, Sultan of the Ottoman Empire from 1326 to 1360. The painting is preserved at the Topkapı Palace Museum in Istanbul, Turkey.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=51236012

Osman I — Sultan Gazi "father of kings" Uthmān (Osman) Han I
Photo Credit: By BilinmiyorDerivative: باسم - Public Domain, https://commons.wikimedia.org/w/index.php?curid=30505563

The Baptism of Philip II in Valladolid, Castile — Historical ceiling preserved in Palacio de Pimentel (Valladolid).
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1863854