The Indus Valley Civilization was a Bronze Age civilization that flourished in the northwestern region of the Indian subcontinent, mainly in the basins of the Indus River and its tributaries.

Mohenjo-daro, located in present-day Pakistan, was one of the largest urban centers of the Indus Valley Civilization and is known for its advanced architecture, sanitation, and town planning.

The name 'Harappan Civilization' is derived from the site of Harappa, which was the first site of the Indus Valley Civilization to be discovered in the early 20th century.

Indus Valley cities were characterized by grid-patterned streets, fortified walls for defense, and sophisticated underground drainage systems, which demonstrate the advanced urban planning and engineering skills of the civilization.

Despite extensive research and efforts by scholars, the Indus script remains largely undeciphered, making it one of the major unsolved mysteries of ancient history.

The Indus Valley Civilization engaged in extensive trade with other regions, exporting cotton textiles, precious metals, and ivory, among other commodities.

The Pashupati Seal, discovered at Mohenjo-daro, is a steatite seal depicting a seated figure surrounded by animals, which is believed to be a representation of a deity or a priest-king.

The decline of the Indus Valley Civilization is likely due to a combination of factors, including climate change, natural disasters such as floods and earthquakes, and possibly foreign invasions.

The Indus Valley Civilization's contributions to urban planning, water management, writing, and mathematics have had a lasting impact on world history, shaping the development of subsequent civilizations.

The Indus Valley Civilization is known for its advanced urban planning, sophisticated drainage systems, and the development of a written script. However, it is not characterized by the presence of monumental structures like pyramids or temples, which are commonly found in other ancient civilizations.

The Indus Valley Civilization used a unit of length known as the cubit, which was based on the length of the forearm from the elbow to the tip of the middle finger.

The Indus Valley Civilization flourished along the Indus River and its tributaries, including the Ravi and Sutlej Rivers. The Ganges River is not associated with the Indus Valley Civilization.

The Indus Valley Civilization is known for its extensive use of baked bricks in the construction of buildings and structures. Baked bricks were made from clay and fired in kilns, resulting in a durable and long-lasting material.

Mohenjo-daro, Harappa, and Mehrgarh are major archaeological sites associated with the Indus Valley Civilization. Taxila, on the other hand, is an important archaeological site from a later period in Indian history and is not directly related to the Indus Valley Civilization.

While the Indus Valley Civilization likely had a complex social structure, there is no clear evidence of a priestly class. Merchants, artisans, and farmers are commonly identified social groups within the civilization.