1966 - Calvert County Historical Society (CCHS) designates preservation of Drum Point Light House (DPLH) as special project.

1968 - CCHS designates a maritime museum as special project.

1970, October - CCHS Maritime Museum officially dedicated (temporary facility).

1973 - CCHS acquires vacant Solomons Elementary School for permanent museum facilities (plus four acres).

1974, May - Renovation of school begun; first director hired; exhibits moved from temporary building and temporary building closed and sold.

1974, December - CCHS and Calvert County government acquires deed to DPLH from federal agencies.

1975 Woodshop set up (lower level).

1975 Glascock property (narrow strip) on south side acquired.

1975, February - Diamond Construction Co. of Savannah, GA, begins removal of DPLH to CMM property.

1975, March 25 - DPLH moved to waterfront by Diamond Construction Co. (grant from Maryland Historical Trust).

1975, June 29 - CMM official opening/dedication; name changed from Calvert Maritime Museum to Calvert Marine Museum; lobby/maritime history/rest rooms completed. (Lobby by special grant from Mr. Jefferson Patterson.)

1975, Summer - Oyster shell paths laid (grant from Division of Natural Resources DNR)-Waterway Development and Improvement).

1976 - Graphics lab set up.

1976 - Paleontology range set up.

1976 - American Shipcarvers Guild - John Olsen Chapter, started.

1976, March - Newsletter Bugeye Times started.

1976 - Boat shed built (grant from Maryland Capital Grants admin. By Maryland Historical Trust).

1976, Summer - Pier/bulkhead completed (grant from DNR-Waterway Development and Improvement).

1976, March - Wye Oak planted by Maryland Forestry Service, Arbor Day.

1976 - North office completed (including north stairway to upper level).

1976, July 4 - "Life of the Waterman" exhibit completed and dedicated.

1976, Summer - Storage shed and wood fence completed.

1976 - CMM joins Forum of Chesapeake Bay Maritime Museums.

1976 - CMM joins Museum Small Craft Conference.

1977 - CMM joins Council of American Maritime Museums.

1977 - CMM sponsors first club - American Shipcarvers' Guild, John Olsen Chapter.

1977 - Rupert (Dick) Lore property acquired - south field.

1977 - Lower level exhibits completed; diving/sport fishing/slide-sound projection room/Tufnell Gallery.

1978 - North Annex (Smith property) acquired.

1978 - Library and archives completed.

1978, June 24 - DPLH completely restored and authentically furnished (grant from Maryland Historical Trust).

1978 - Calvert County Garden Club plants shrubs, flowers, etc.

1978 - CMM joins International Congress of Maritime Museums.

1978, Summer - Upper level (attic) completed, artifact storage/registrar's office/south office enlarged/ south stairway to attic.

1978, October 6-7 - CMM co-sponsors first Patuxent River Appreciation Days festival (an annual event).

1979 - Wm. B. Tennison acquired (grant from: National Trust for Historic Preservation).

1979 - Creek Critters educational program started (grant from Citizen's Program for the Chesapeake Bay).

1979, September - Calvert County Resolution 22-79; official transfer of CMM from to Calvert County government.

1979, September - "Fossils of Calvert Cliffs" exhibit completed and dedicated.

1979, October - J.C. Lore Oyster packing house acquired (grant from U.S. Dept. of the Interior Heritage Conservation & Resources Service).

1979, December - Solomons Island Model Boat Club (SIMBC) sponsored by CMM.

1980 - Patuxent Small Craft Guild sponsored by CMM.

1980, May - CMM sponsors first Maritime Folklife exhibit at Maryland Folklife Festival, St. Mary's City (grant Maryland State Arts Council).

1980, Summer - Log canoe project (Indian dugout/Colonial punt) built by George Surgent begun (grant from National Trust for Historic Preservation).

1980, October - Programs room completed.

1981, February - Remodeled lobby/ship's store.

1981, May 8-10 - CMM hosts Museum Small Craft Conference.

1981, June 26 - "War on the Patuxent: 1814" exhibit opens.

1981, November 24 - Granted accreditation by American Association Museums.

1981 - Fossil Club sponsored by CMM.

1981 - Canoe Club sponsored by CMM.

1982, October - Estuarium opening.

1983 - Drum Point Lighthouse celebrates century birthday.

1983, December 2 - "Built to Work: Building Deadrise Workboats in Southern Maryland" exhibit opens.

1984 - Master Plan Phase I completed (boat basin).

1984, June - J.C. Lore & Sons Oyster House exhibit opens.

1984, June 7 - Calvert Marine Society incorporated.

1984, September 10 - "Seasons of Abundance, Seasons of Want…" exhibit opens.

1984, October - First Corporate Caper.

1985 - Patuxent Small Craft Guild pavilion completed.

1985 - CMM Expedition to Baja California whale watching.

1985 - First "Southern Maryland Maritime Industries" summer program (funded by Town Creek Foundation).

1985, May - First Waterside Music Festival.

1985, June 27 - CMM becomes founding member of Solomons Environmental and Archaeological Research Consortium (SEARCH).

1985 - First Year-End Appeal.

1986 - Completion of Wood Carvers Shop.

1986 - Completion of Fossil Preparation Laboratory.

1986 - "Young Salts" program begun.

1986, August 23 - Groundbreaking ceremony for new Exhibition Hall.

1986, November - First Director's Reception.

1987 - First offering of CMM/CBL graduate course for teachers; CMM hosts Maryland meeting of Mid-Atlantic Marine Education Association.

1987 - Renovation of lobby waterfowl exhibit.

1988 - CMM becomes founding member of CHESPAX, the Calvert County environmental and outdoor education consortium.

1988, June - CMS purchases Society House.

1988, August - CMM expedition to the Peruvian Amazon.

1988, September - 18th Century Tidewater Faire.

1989, January 14 - New Exhibition building opened to public.

1989, February 25 - Dedication of new Learning Center and Discovery Room.

1989, April 8 - "Sitting in on the Future" fundraiser reception.

1989, May 18 - Dedication of New Exhibition building. (International Museum (Day).

1989, August - CMM diving expedition to Fiji, south Pacific.

1989, November 4 - First permanent exhibit "Maritime Patuxent: A River and Its People" in new exhibition building opened to public.

1989/1990 - Library, Archives, Estuarine Biology Department, Paleontology Department, and Maritime History collections temporarily moved to East Annex; Administration and Exhibits Department temporarily moved to North Annex (moved back in 1993).

1990, May 26 - Fifth Annual Waterside Music Festival.

1990, July 1 - First CMM Director, Dr. Ralph E. Eshelman, retires.

1990, August 11 - "Charting the Chesapeake, 1590-1990," exhibit opening.

1990, September - CMM Volunteer Council established.

1990, September 28 - First Annual Bugeye Ball held at Solomons Holiday Inn.

1990, October - First issue of The Anchor printed.

1990, october 18 - CMM Twentieth Anniversary.

1991, January 2 - C. Douglass Alves, Jr., Director, hired.

1991, April 17-19 - CMM hosts Council of American Maritime Museums annual conference.

1992, May 3 - Second permanent exhibit "Estuary Patuxent: A River and Its Life" opened to the public.

1993 - CMM hosts Museum Store Association Annual Conference.

1993, April 1 - Renovated schoolhouse opens as Administration Building.

1993, September 24 - Dedication of Administration Building.

1994, February 25-27 - CMM hosts Colonial Maritime Conference.

1994, June 24 - Dedication for Otter Habitat.

1994, July 23 - First annual Sharkfest.

1994, November 15 - Wm. B. Tennison receives National Historic Landmark status.

1995, February - CMM hosts first Elderhostel.

1995, May 25 - Los Lobos opens 1^st large Waterside Concert, 1500 attend (10^th annual Waterside Concert).

1995, October 21 - CMM Twenty-Fifth Anniversary.

1996 - CMM Reaccredited.

1996, Spring - Bugeye Times completes twenty years.

1996, August - East Annex building razed.

1996, October 17 - Cedar Point Lighthouse roof and bricks donated to CMM by U.S. Navy.

1997, October 23 - Ceremony held at Cove Point Lighthouse to mark pending transfer from U.S. Coast Guard to Calvert County government.

1997 - Boat basin boardwalk refurbished.

1997, March 20 - Third and final permanent exhibit "Treasures from the Cliffs: Exploring Marine Fossils" opened to the public.

1997, December - Boat basin boardwalk refurbished.

1998, January - First annual Winter Lights celebration.

1998, May - Washington Gas Pavilion completed; B.B.King headlines to 4800 attendees.

1998, May 19 - Dedication of bulkhead and boardwalk at J.C. Lore Oyster House.

1998, August 7-9 - The first Cradle of Invasion: World War II Living History Weekend.

1999 - Wm. B. Tennison’s 100^th birthday.

1999, March - CMM web site www.calvertmarinemuseum.com opens.

1999, August 10 - James LeRoy "Pepper" Langley retires from CMM (began work at CMM May 1974).

1999, September - Estuarium addition construction started.

1999, October 7 - Exhibit opening, Atlantic Sturgeon.

2000, May - 15^th annual Waterside Music Festival.

2000 - CMM Thirtieth Anniversary.