• December 22, 1945: Temporary Charter
• May 29, 1950: Chartered Post 340
• May 1958: Acquired land, a former Revolutionary War Parade field, from the Town of Sheffield, Massachusetts.
• 1963: A structure of steel and the roof built
• 1970: First annual Chicken BBQ
• 1974: Post Home building started
• May 6, 1976: Acquired howitzer
• September 1985: Mortgage retired
• 2010: Donated land for Sheffield Senior Center and their septic system.
• 2010: Renovated Hall interior
• May 2012: New roof on building

View more history for Post 340 in Sheffield, Massachusetts