Currency: Did you mean...?

An eight-dollar bill minted by the Continental Congress in 1775. Collection of the Baker Library, Harvard Business School.

A Delaware bill worth five shillings. The bottom caption reads: "To Counterfeit is Death". Minted in Delaware by James Adam (1724-1792 CE) under the authority of George III of Great Britain and Ireland (r. 1760–1820...

A bill worth two shillings, or a "2s", from the Massachusetts Bay Colony. Collection of the National Numismatic Collection at the Smithsonian Institution.

The silver "pine tree" shilling minted in the Massachusetts Bay Colony by John Hull in 1652.

The Inca civilization flourished in ancient Peru between c. 1400 and 1533 CE. The Inca Empire eventually extended across western South America from Quito in the north to Santiago in the south. It was the largest empire ever seen...

The Ghana Empire flourished in West Africa from at least the 6th to 13th century. Not connected geographically to the modern state of Ghana, the Ghana Empire was located in the western Sudan savannah region (modern southern Mauritania...

The Columbian exchange is a term coined by Alfred Crosby Jr. in 1972 that is traditionally defined as the transfer of plants, animals, and diseases between the Old World of Europe and Africa and the New World of the Americas...

The French Revolution (1789-1799) was a period of major societal and political upheaval in France. It witnessed the collapse of the monarchy, the establishment of the First French Republic, and culminated in the rise of Napoleon...

East of the Zagros Mountains, a high plateau stretches off towards India. While Egypt was rising up against the Hyksos, a wave of pastoral tribes from north of the Caspian Sea was drifting down into this area and across into...

The Zhou Dynasty (1046-256 BCE) was among the most culturally significant of the early Chinese dynasties and the longest lasting of any in China's history, divided into two periods: Western Zhou (1046-771 BCE) and Eastern Zhou (771-256...