Prehistoric is not a major historical period, but rather a term used to describe the time before written records.

Archaeology is the study of ancient artifacts and human remains.

The Rosetta Stone contained the same text in three different scripts, including Egyptian hieroglyphs, which allowed scholars to decipher the hieroglyphs.

The Industrial Revolution, which began in the late 18th century, is often seen as the start of the modern era due to its profound impact on society and technology.

Pax Romana, meaning 'Roman Peace', was a period of relative peace and prosperity in the Roman Empire from 27 BCE to 180 CE.

The Silk Road was a vast network of trade routes connecting the East and the West, primarily between China and the Mediterranean region.

The ancient Egyptians developed a complex system of hieroglyphic writing, which was used for both religious and administrative purposes.

The Great Wall of China was constructed primarily as a defensive structure to protect the Chinese empire from nomadic invaders from the north.

Manifest Destiny was a belief held by many Americans in the 19th century that it was their God-given right to expand their territory across North America.

The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies from the mid-1940s to the early 1990s.

The invention of the printing press in the 15th century revolutionized communication by making books and printed materials widely accessible, leading to a significant increase in literacy and the spread of knowledge.

The Renaissance, which occurred in Europe from the 14th to the 17th century, was a period of cultural and intellectual revival, characterized by a renewed interest in classical learning and the arts.

The Enlightenment, which took place in Europe in the 18th century, was a philosophical movement characterized by a belief in the power of reason and scientific inquiry.

Imperialism is a policy of extending a country's power and influence through the acquisition and maintenance of colonies or territories.

Globalization refers to the increasing interconnectedness and interdependence of countries and peoples around the world, particularly in terms of trade, finance, and culture.