The following is a list of national encampments for which documentation exists. Some reunion years have multiple items found in our collections. Unless otherwise noted, the Library of Congress does not have official guides, souvenir programs, badges, flags, or other types of G.A.R. ephemeral materials.
Information concerning specific national encampments can be found in the Journal of the National Encampment for the year the encampment was held.
The following titles link to fuller bibliographic information in the Library of Congress Online Catalog. Links to additional online content are included when available.
Indianapolis, Indiana (November 20, 1866)
Philadelphia, Pennsylvania (January 15, 1868)
Cincinnati, Ohio (May 12-13, 1869)
Washington, D.C. (May 11-12, 1870)
Boston, Massachusetts (May 10-11, 1871)
Cleveland, Ohio (May 8-9, 1872)
New Haven, Connecticut (May 14-15, 1873)
Harrisburg, Pennsylvania (May 13, 1874)
Chicago, Illinois (May 12- 13, 1875)
Philadelphia, Pennsylvania (June 30, 1876)
Providence, Rhode Island (June 26-27, 1877)
Springfield, Massachusetts (June 4, 1878)
Membership: 31,016
Albany, New York (June 17-18, 1879)
Membership: 44,752
Dayton, Ohio (June 8-9, 1880).
Membership: 60,634.
Indianapolis, Indiana (June 15-16, 1881).
Membership: 85,856
Baltimore, Maryland (June 21-22-1882).
Membership: 134,701
Denver, Colorado (June 25-26, 1883).
Minneapolis, Minnesota (June 23-25, 1884).
Portland, Maine (June 24-25, 1885).
Membership: 294,787
San Francisco, California (August 4-6, 1886).
Membership: 323,571
St. Louis, Missouri (September 28-30, 1887).
Membership: 355,916
Columbus, Ohio (September 12-14, 1888).
Membership: 372, 960
Milwaukee, Wisconsin (August 28-30, 1889).
Membership: 397,974
Boston, Massachusetts. (August 13-14, 1890).
Membership: 409,489.
Detroit, Michigan (August 5-7, 1891).
Membership: 407,781.
Washington, D.C. (September 21-22, 1892).
Membership: 399,880
Indianapolis, Indiana (September 6-7, 1893).
Membership: 397,223
Pittsburgh, Pennsylvania. (September 12-13, 1894).
Membership: 396,083.
Louisville, Kentucky (September 11-13, 1895).
Membership: 357,639
St. Paul, Minnesota (September 3-4, 1896).
Membership: 340,610
Buffalo, New York (August 25-27, 1897).
Membership: 319,456
Cincinnati, Ohio (September 5-6, 1898).
Membership: 305,603
Philadelphia, Pennsylvania (September 6-7, 1899).
Membership: 287,918
Chicago, Illinois (August 29-30, 1900).
Membership: 276,612.
Cleveland, Ohio (September 12-13, 1901).
Membership: 269,507
Washington, D. C. (October 9-10, 1902).
Membership: 263,745
San Francisco, California (August 20-21, 1903).
Membership: 256,510
Boston, Massachusetts (August 17-18, 1904).
Membership: 247,340
Denver, Colorado (September 7-8, 1905).
Membership: 232,455
Minneapolis, Minnesota (August 16-17, 1906).
Membership: 235,823
Saratoga Springs, New York (September 12-13, 1907).
Membership: 229,932
Toledo, Ohio (September 3-4, 1908).
Membership: 225,157
Salt Lake City, Utah (August 12-13, 1909).
Membership: 220,600
Atlantic City, New Jersey (September 22-23, 1910).
Membership: 213,901.
Rochester, New York (August 24-25, 1911).
Membership: 203,410
Los Angeles, California (September 9-14, 1912).
Membership: 191,346
Chattanooga, Tennessee (September 18-19, 1913).
Membership: 180,227
Detroit, Michigan (September 3-4, 1914).
Membership: 171,335
Washington, D.C. (September 30-October 1, 1915).
Membership: 159,853
Kansas City, Missouri (August 28-September 2, 1916).
Membership: 140,074
Boston, Massachusetts (August 20-25, 1917).
Membership: 135,931
Portland, Oregon (August 18-24, 1918).
Membership: 120,916
Columbus, Ohio (September 7-13, 1919).
Membership: 110,357
Indianapolis, Indiana (September 19-25, 1920).
Membership: 103,258
Indianapolis, Indiana (September 25-29, 1921).
Membership: 93,171
Des Moines, Iowa (September 24-29, 1922).
Membership: 85,621
Milwaukee, Wisconsin (September 2-8, 1923).
Membership: 76,126
Boston, Massachusetts (August 10-15, 1924).
Membership: 65,382
Grand Rapids, Michigan (August 30-September 5, 1925).
Membership: 55,817
Des Moines, Iowa (September 19-25, 1926).
Membership: 47,179
Grand Rapids, Michigan (September 11-16, 1927).
Membership: 38,801
Denver, Colorado (September 16-21, 1928).
Membership: 32,614
Portland, Maine (September 8-13, 1929).
Membership: 26,219
Cincinnati, Ohio (August 24-28, 1930).
Membership: 21,080
Des Moines, Iowa (September 13-18, 1931).
Membership: 16,587
Springfield, Illinois (September 18-24, 1932).
Membership: 13,066
St. Paul, Minnesota (September 17-22, 1933).
Membership: 10,138
Rochester, New York (August 12-18, 1934).
Membership: 7,807
Grand Rapids, Michigan (September 8-14, 1935).
Membership: 6,244
Washington, D.C. (September 20-26, 1936).
Membership: 4,391
Madison, Wisconsin (September 5-10, 1937).
Membership: 3,325
Des Moines, Iowa (September 4-9, 1938).
Membership: 2,443
Pittsburgh, Pennsylvania (August 27-September 1, 1939).
Membership: 1,701
Springfield, Illinois. (September 8-13, 1940).
Membership: 1,039
Columbus, Ohio (September 14-19, 1941).
Membership: 763
Indianapolis, Indiana (September 13-18, 1942).
Membership: 518
Milwaukee, Wisconsin (September 19-24, 1943).
Membership: 393
Des Moines, Iowa (September 10-15, 1944).
Membership: 249
Columbus, Ohio (September 30-October 4, 1945).
Membership: 163
Indianapolis, Indiana (August 25-30, 1946).
Membership: 103
Cleveland, Ohio (August 10-14,1947).
Membership: 66
Grand Rapids, Michigan (September 28-30, 1948).
Membership: 28
Indianapolis, Indiana (August 28-September 1, 1949).
Membership: 16