12th Continental Regiment

The 12th Continental Regiment was raised April 23, 1775, as a Massachusetts militia regiment at Cambridge, Massachusetts, under Colonel Moses Little. The regiment would join the Continental Army in June 1775. The regiment saw action during the Siege of Boston, the New York Campaign and the Battle of Trenton. The regiment was disbanded on January 1, 1777, at Morristown, New Jersey.

Source: Wikipedia DBpedia

What is the citizenship or nationality of Little's Regiment?

Little's Regiment is Continental Congress.

When did the career of Little's Regiment start?

The career started in 0023.