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The open source tool turns the vast history of the universe -- 13.8 billion years of information -- into an interactive, visual timeline. Features enable users to zoom in and out as they explore curated content about, for example, the history of life on Earth, extinction of the dinosaurs, or causes of World War I. Users also can author and share their own timelines about specific events or eras.

"Timeline Description: The Bronze Age was a period of time between the Stone Age and the Iron Age when bronze was used widely to make tools, weapons, and other implements. Bronze is made when copper is heated and mixed with tin, creating a stronger metal than copper. "

"The roots of our own urban civilization lie in the remarkable developments that took place in the third millennium B.C. This was a time of astonishing creativity as city-states and empires emerged in a vast area stretching from the Mediterranean to the Indus Valley. Although remote in time and place, this urban revolution, first represented by the formation of cities in southern Mesopotamia (ancient Iraq), must be looked upon as one of humanity's defining moments. These complex centers of civilization, such as the city of Uruk, which arose toward the end of the fourth millennium B.C. in the fertile plains bordered by the Tigris and Euphrates rivers, stimulated great inventions, such as writing, and witnessed a flowering of artistic expression. Much of this art demonstrated devotion to the gods and celebrated the power of kings. The growth of cities and powerful ruling families led to a demand for luxury items. These were fashioned from materials obtained largely from abroad and were destined for temples and tombs such as the famous Royal Graves at Ur (ca. 2500 B.C.). Partly as a result of these advances in Mesopotamia, other major civilizations developed along the great maritime and land routes that connected them to one another."

"The roots of our own urban civilization lie in the remarkable developments that took place in the third millennium B.C. This was a time of astonishing creativity as city-states and empires emerged in a vast area stretching from the Mediterranean to the Indus Valley. Although remote in time and place, this urban revolution, first represented by the formation of cities in southern Mesopotamia (ancient Iraq), must be looked upon as one of humanity's defining moments. These complex centers of civilization, such as the city of Uruk, which arose toward the end of the fourth millennium B.C. in the fertile plains bordered by the Tigris and Euphrates rivers, stimulated great inventions, such as writing, and witnessed a flowering of artistic expression. Much of this art demonstrated devotion to the gods and celebrated the power of kings. The growth of cities and powerful ruling families led to a demand for luxury items. These were fashioned from materials obtained largely from abroad and were destined for temples and tombs such as the famous Royal Graves at Ur (ca. 2500 B.C.). Partly as a result of these advances in Mesopotamia, other major civilizations developed along the great maritime and land routes that connected them to one another."

"Ancient Mesopotamia was the earliest civilization in world history, and the longest lasting. It was probably also the most influential, as all later western civilizations were built on foundations it laid."

"The Hittites, who spoke an Indo-European language (a family of languages that includes English), dominated much of Anatolia and neighboring regions between about 1650 and 1200 B.C. It has been suggested that groups speaking languages related to Hittite first entered Anatolia at the end of the third millennium B.C., but the Hittites first rose to prominence around 1750 B.C., when King Pithana and his son Anitta captured the important city of Kanesh as well as a number of other city-states, including that of Hattusha (modern Bogazköy)."

"Literature and Literary Connections, Greek Poetry, Homer: Illiad and Odyssey"

Time line and map of ancient wines