This category is for treaties that entered into legal force in the year 1928. For treaties that were written and opened for signature in 1928, see Category:Treaties concluded in 1928.
Treaties by year of entry into force: | 1923 • 1924 • 1925 • 1926 • 1927 • 1928 • 1929 • 1930 • 1931 • 1932 • 1933 |
All items (1)