1824 - 1900

1824 Society for the Prevention of Cruelty to Animals / Royal Society for the Prevention of Cruelty to Animals (1840) (RSPCA)
1839 Scottish Society for the Prevention of Cruelty to Animals (SSPCA)
1847 Vegetarian Society of the United Kingdom
1850 American Vegetarian Society (disbanded 1862)
1860 Battersea Dogs' Home
1866 American Society for the Prevention of Cruelty to Animals (ASPCA)
1867 Pennsylvania Society for the Prevention of Cruelty to Animals (PSPCA)
1868 Massachusetts Society for the Prevention of Cruelty to Animals (MSPCA)
1869 Women’s Humane Society for the Prevention of Cruelty to Animals / Women’s Animal Center (2018)
1875 Victoria Street Society for the Protection of Animals Liable to Vivisection aka Victoria Street Society / National Anti-Vivisection Society (NAVS) [UK] (1898)
1876 Scottish Anti-Vivisection Society / Animal Concern (1988)
1876 London and Provincial Anti-Vivisection Society (merged into NAVS [UK] 1957)
1877 International Humane Association / American Humane Association a.k.a. American Humane (1878)
1883 American Anti-Vivisection Society / American Society for the Restriction of Vivisection (1885) / American Anti-Vivisection Society (1888)
1885 Plumage League [first of two groups formed under this name] (subsumed into Selborne Society 1886)
1885 Selborne Society for the Preservation of Birds, Plants, and Pleasant Places (aka Selborne Society)
1886 Home of Rest for Horses / The Horse Trust (2006)
1886 American Vegetarian Society (disbanded 1921)
1888 London Vegetarian Society (merged into Vegetarian Society 1969)
1889 Plumage League [second of two groups formed under this name] (amalgamated with Fur, Fin and Feather Folk into RSPB 1889)
1889 Fur, Fin and Feather Folk (amalgamated with Plumage League into RSPB 1889)
1889 Society for the Protection of Birds / Royal Society for the Protection of Birds (1904) (RSPB)
1891 National Canine Defence League / Dogs Trust (2003)
1892 Sierra Club
1895 New England Anti-Vivisection Society (NEAVS)
1897 Our Dumb Friends’ League / Blue Cross
1898 British Union for the Abolition of Vivisection / Cruelty Free International (2015)
1899 Animal Rescue League of Boston

1900 - 1950

1905 Audubon Society

1907 Society for the Prevention of Abuse in Animal Experimentation (disbanded 1914)

1908 New York Anti-Vivisection Society (disbanded 1938)

1909 National Equine (and Smaller Animals’) Defence League a.k.a. Animals’ Refuge

c.1910 National Society for the Humane Regulation of Vivisection (disbanded >1958)

1911 Vivisection Investigation League (subsumed into The Last Post Animal Sanctuary c.1989)

1914 Performing and Captive Animals’ Defence Society (disbanded 2006)

1924 League Against Cruel Sports

1925 Anti-Steel Trap League (disbanded 1942)

1926 University of London Animal Welfare Society / Universities Federation for Animal Welfare (1938)

1927 Cats’ Protection

1927 International League for the Protection of Horses / World Horse Welfare

1927 Pit Ponies’ Protection Society

1929 National Anti-Vivisection Society [US]

1929 Emergency Conservation Committee (disbanded 1942)

1932 National Society for the Abolition of Cruel Sports (assets transferred to Care for the Wild 1982)

1935 National Wilderness Society

Detail 3

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