Year of the Four Emperors: Did you mean...?

Matariki is the name of a star cluster that can be seen from New Zealand in the early morning of the months in mid-winter. New Zealand's Matariki is the name for the Maori New Year and the star cluster. It is one of the brightest star clusters...

The Morning of 10 Thermidor Year II depicts a wounded Maximilien Robespierre on the last morning of his life, jaw shattered, lying on the centered table. He and his allies would be executed later that day. Oil on canvas by Lucien-Étienne...

Uprising of 1 Prairial Year III (20 May 1795) against the policies of the Thermidorian Reaction during the later stages of the French Revolution (1789-1799). Here, the insurrectionists wave the severed head of Jean-Bertrand Féraud in the...

Terracotta tablet listing the year formulae of King Shulgi of Ur. From Southern Mesopotamia, modern-day Iraq, Ur III period, 2094-2047 BCE. Ancient Orient Museum, Istanbul.

This map shows the boundaries of all major civilizations in East Asia at the beginning of the first millennium, with italics indicating nomadic bands and other tribal societies.

This map depicts the boundaries of all major civilizations in East Asia at the beginning of the Three Kingdoms Period of China, with italics indicating nomadic bands and other tribal societies. Following the collapse of Han Dynasty in 220...

This fragment of a clay tablet mentions certain formulas of naming years depending on major historical events. From Mesopotamia, modern-day Iraq. Early dynastic period, 2800-2300 BCE. The Sulaimaniya Museum, Iraq.

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

A newspaper clipping from the Boston Gazette reporting on the funeral of four of the victims of the Boston Massacre, represented by an image of four coffins, each bearing the initials of a victim. These names from left to right include: Samuel...

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