WILLIAMPEDIA

Chaturanga is an ancient Indian strategy board game that is widely considered to be the precursor to modern chess. It originated during the Gupta Empire around the 6th century AD and reflects the military concepts of the time. The name "chaturanga" translates to "four divisions of the military," referencing the game's representation of infantry, cavalry, elephants, and chariots.

Community-Led Total Sanitation (CLTS) is an innovative approach aimed at improving sanitation practices within communities, particularly in developing countries. The concept focuses on empowering communities to take charge of their sanitation solutions through collective action, education, and behavior change, rather than relying solely on external aid or infrastructure development.

The Olmec civilization is considered one of the earliest complex societies in Mesoamerica, flourishing around 1200 to 400 BCE in the present-day southern Gulf Coast of Mexico. Often referred to as the "Mother Culture" of Mesoamerica, the Olmecs laid the foundations for many cultural and societal aspects observed in later civilizations, such as the Maya and Aztecs.