Four: Did you mean...?

A map of the four Khanates of the Mongol Empire, after its division in 1259 CE.

Marble portrait heads of four Greek philosophers (Socrates, Antisthenes of Athens, Chrysippus, and Epicurus), Roman copies after Hellenistic originals. The British Museum, London.

Map of the Roman Empire during 69AD, the Year of the Four Emperors. Coloured areas indicate provinces loyal to one of four warring generals.

A map illustrating the fluctuation of powers in the Roman Empire during 69 CE (also known as The Year of the Four Emperors,) a turbulent period in Roman history that involved the rapid succession of Galba, Otho, Vitellius, and Vespasian as...

A map illustrating the four voyages of Christopher Columbus to the Americas between 1492 and 1504 superimposed on a scheme of the predominant ocean currents and winds of the North Atlantic.

During the Year of the Four Emperors (69 CE), the fight between Vitellius and Vespasian would ultimately bring about the demise of four legions, the XV Primigenia, I Germanica, IIII Macedonica, and XVI Gallia. All four of these legions had...

The Four Elements. Painting by Mana Lesman. Used with the permission of the artist.

Porphyry sculpture portraying the four Tetrarchs (Diocletian, Maximianus, Galerius and Constantius Chlorus) embracing. It is dated to c. 300 CE and was sculpted in Asia Minor. It probably originally decorated two separate pillars in Constantinople...

Eos in her four-horse chariot, detail of terracotta red-figure lekanis vase attributed to the Stuttgart group, from Canosa, late 300s BCE. Metropolitan Museum of Art, New York.

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 piece from Trier, the Cologne bottle...