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International Freshwater Treaties Collection
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Decade
1840-1849
1
1850-1859
1
1860-1869
3
1870-1879
1
1880-1889
6
1890-1899
8
1900-1909
10
1910-1919
9
1920-1929
39
1930-1939
15
1940-1949
27
1950-1959
63
1960-1969
71
1970-1979
67
1980-1989
50
1990-1999
118
2000-2009
79
2010-2019
38
