The building was not being used in the 17th century.

His office was the same one used in the 18th century by Washington himself.

They were used in the 16th, 17th and 18th centuries.

Carbon paper was first used in the early 19th century.

The phrase is known to have been used in the 12th century.

The term bed sheet was first used in the 15th century.

The tactic has been used by other groups later in the century, especially after the 1960s.

The word tolerance was first used in the 15th century.

Many different power frequencies were used in the 19th century.

It started to be used in the 16th century for folk music.