Calvert County is situated on the western shore of the Chesapeake Bay, and its history dates back to the arrival of the first English settlers in the 17th century.

The area that is now Calvert County was originally inhabited by Native American tribes, including the Piscataway and the Yaocomaco. In 1634, the English established the Province of Maryland, and Calvert County was one of the original counties created within the province.

The county was named after the Calvert family, who were the proprietors of the province. During this time, Calvert County was an important center of trade and commerce, with tobacco being the primary crop.

In the late 17th century, the county began to expand. The town of Prince Frederick was established in 1722 as the county seat, and it quickly became a center of government, commerce, and education. The town was named after Prince Frederick, the son of King George II, who was also the proprietor of the province at the time.

During the Revolutionary War, Calvert County was a center of resistance to British rule. Many local residents joined the Continental Army and fought against the British. After the war, the county continued to grow and develop, with agriculture and fishing being important industries.

In the modern era, Calvert County continued to evolve, with the establishment of naval bases and research facilities, as well as the expansion of its agricultural and fishing industries. Today, Calvert County is a thriving community that is known for its natural beauty, historic sites, and vibrant culture.

Calvert County is a place with a rich and storied history that stretches back centuries. From its earliest days as a center of commerce and trade to its modern-day status as a vibrant community with a thriving economy, Calvert County has always been a place of great significance and importance.