Cambridge, Massachusetts, the seat of Middlesex County. It is across the Charles River from Boston and is an important industrial and commercial center.

The city is noted for its educational institutions and publishing houses. It was here that Stephen Day in 1639 set up the first printing press in English America. Harvard College (later University) was founded in Cambridge in 1636. Massachusetts Institute of Technology and Radcliffe College also are here.

A settlement called New Towne was made on the site of Cambridge in 1630. In 1636 it was renamed for Cambridge, England. George Washington took command of the Continental Army on Cambridge Common in 1775. Craigie House (1759) was Washington's headquarters in 1775. It was later the home of Edward Everett and of Henry Wadsworth Longfellow.

Population: 101,355.