The online version of Artificial Intelligence in Behavioral and Mental Health Care by David D. Luxton on ScienceDirect.com, the world's leading platform for high quality peer-reviewed full-text books.
The Constitution was written and signed in 1787. It was a charter of government that came to be ratified by the states, and it continues to be the supreme law of the land. Both documents have played an important role in American history and the spread of democratic ideals around the world.
In Ancient Egypt, papyrus was used for writing maybe as early as from First Dynasty, but first evidence is from the account books of King Neferirkare Kakai of the Fifth Dynasty (about 2400 BC). A calamus, the stem of a reed sharpened to a point, or bird feathers were used for writing.