The year of the four emperors: Did you mean...?

Four tubes are connected to the upper and lower portions of these ancient Roman glass bottles. The tubes were created by carefully cutting and bending the body of a free-blown glass bottle. Like similar...

A London pamphlet about the arrival of the so-called Four Mohawk Kings, circa 1710.

A painted silk scroll depicting the four gods of Mount Koya. 16th century CE. (Tokyo National Museum)

This is a festive and richly illuminated codex-type manuscript made of Persian and Italian watermarked paper. Written (or copied) in the Georgia Nuskhuri script by Zosime from Vale at Samtskhe Atabegs court scriptorium...

While this class of bowl typically bears bird motifs on the outside, this example, dating to the mid-sixth century BCE, features the stylistic representation of plants and geometric motifs instead. The inside simply features...

The French Republican calendar, also known as the French Revolutionary calendar, was created during the French Revolution (1789-1799) in an attempt to build a new society separate from the vestiges of the Ancien Régime...

Emperor Nerva is the first of the 'Five Good Emperor'. However, his reign proved to be fairly lackluster and he only reigned for 15 months and during his short time on the throne, his Praetorian Guards...

The Treaties of Tilsit were two peace treaties signed in July 1807 by Emperor Napoleon I of France (r. 1804-1814; 1815) and the monarchs of Russia and Prussia in the aftermath of the Battle of Friedland. The treaties ended the...

It has been said that the greatest enemy of Rome was Rome itself, and this is certainly true of the period known as the Crisis of the Third Century (also known as the Imperial...

The Byzantine Emperor ruled as an absolute monarch in an institution which lasted from the 4th to 15th century CE. Aided by ministers, high-ranking nobility, and key church figures, the emperor (and sometimes empress) was commander-in-chief...