After the Ottoman's defeat the Serbian Lazar at the 1389 Battle of Kosovo, their new Sultan Bayezid I continued their expansion. The next few decades saw many turbulent changes, among which a war with ...

The Vault is Slate’s history blog. Like us on Facebook, follow us on Twitter @slatevault, and find us on Tumblr. Find out more about what this space is all about here. The Ottoman Empire, which at the ...

Inside All About History 118: Discover how the great sultans built a lasting dynasty that challenged the powers of medieval Europe. When you purchase through links on our site, we may earn an ...

One of the greatest empires in history, the Ottomans reigned for more than 600 years before crumbling on the battlefields of World War I. The tughra (insignia) of the 16th-century Ottoman emperor ...