The Roman Empire
History

A Roman senator best known as a leading instigator of the plot to assassinate Julius Caesar
Cassius
A Roman senator best known as a leading instigator of the plot to assassinate Julius Caesar. Cassius. Cassius was a key figure in the assassination of Julius Caesar, which led to a turning point in Roman history.

A procedure of systematically acquiring information about the members of a given population
Census
A procedure of systematically acquiring information about the members of a given population is called a census. In history, a census is a regular count of a country's people to collect data for government and planning.

Queen of Egypt, one of the most famous women in history
Cleopatra
Queen of Egypt, one of the most famous women in history. Cleopatra. Cleopatra was the last active ruler of the Ptolemaic Kingdom of Egypt, known for her intelligence, political skills, and her alliances with Roman leaders Julius Caesar and Mark Antony.

Roman Emperor (117 - 138 AD), best known for building Hadrian's Wall
Hadrian
Roman Emperor 117 - 138 AD, best known for building Hadrian's Wall. Hadrian. Hadrian was a Roman Emperor known for consolidating and fortifying the empire's boundaries, most famously by constructing Hadrian's Wall in Britain.

A model for the currencies of the caliphates and the Europe during the Middle Ages and the Modern Era
Roman currency
A model for the currencies of the caliphates and the Europe during the Middle Ages and the Modern Era. Roman currency. Roman currency refers to the coins and money systems used in Ancient Rome, such as the denarius.