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historicalmarkerproject/markers/HM1UX7_railroad-at-naval-proving-ground-historical_Indian-Head-MD.html
The Indian Head White Plains Railroad, which became the current rail trail, connected to an internal railroad system at the Indian Head Naval Proving Ground. The existing railroad system at Indian Head reflects four periods: of development: Naval …
historicalmarkerproject/markers/HM1UX3_navy-railroad-historical_White-Plains-MD.html
The Naval Base, known as The Naval Proving Ground, was established in the town of Indian Head in 1890. Its main purpose was to test guns, powder fuses and other naval ordnances as well as producing smokeless powder. The Naval Proving Ground played…
historicalmarkerproject/markers/HM1UX1_the-story-historical_Indian-Head-MD.html
Who would ever have imagined that a railroad track, once built with a focus on war, would one day be the source of such peace...
The Indian Head - White Plains Railroad was built during World War I in an effort to meet increased demands for the…
historicalmarkerproject/markers/HM1UPN_christian-temple-manor-historical_Marbury-MD.html
1000 acres in Chingamuxon Hundred, Charles County, Maryland patented 1 September 1659 to Thomas Allanson Gent, who was granted by Cecilius, Lord Baltimore, the Sovereignty of a Lordship with privileges of Court Baron and all things belonging there…
historicalmarkerproject/markers/HM1UPK_rich-resources-historical_Marbury-MD.html
John Smith and his crew spent a month exploring the Potomac River in 1608, during the first voyage through the region. Smith mapped the town of Pamacocack at the mouth of the Mattawoman Creek.
This powerful creek with its teeming diversity stil…
historicalmarkerproject/markers/HM1TXK_potomac-diversion-a-war-memorial_Newburg-MD.html
British vessels labored through Kettle Bottom Shoals near here in August 1814 during a diversionary expedition up the Potomac. When Americans destroyed Fort Washington (also called Fort Warburton) without firing a shot, the British proceeded unmol…
historicalmarkerproject/markers/HM1S0O_thomas-stone_La-Plata-MD.html
Signer of the Declaration of Independence
Member of Congress
Placed by the Maryland State Society
Daughters of the American Revolution
July 4, 1978
historicalmarkerproject/markers/HM1RYA_john-hanson_Port-Tobacco-MD.html
John Hanson
1715 - 1785
President of the United States
In Congress Assembled
1781 - 1782
was born at Mulberry Grove
April 14, 1715
Erected by the VASA Order of America.
historicalmarkerproject/markers/HM1QTE_dr-samuel-a-mudd-house_Waldorf-MD.html
Dr. Samuel A. Mudd House circa 1830 placed on the National Register of Historic Places
historicalmarkerproject/markers/HM1JGC_milestone-in-radio-history_Cobb-Island-MD.html
Here on Cobb Island, in December 1900, Reginald Aubrey Fessenden, assisted by Frank W. Very, while experimenting in wireless telephony, for the first time sent and received intelligible speech by electromagnetic waves between two masts 50 feet hig…