What time period was the harp used in mostly?

The harp has ancient origins, with its use dating back to at least 3000 BCE in Mesopotamia. It became particularly prominent during the medieval period in Europe, especially from the 10th to the 15th centuries, when it was a favored instrument in courts and churches. The instrument saw a resurgence during the 18th and 19th centuries with the development of the modern pedal harp. Today, it continues to be used across various musical genres worldwide.