This category is for treaties that were written and opened for signature in the year 1999. For treaties that entered into force in 1999, see Category:Treaties entered into force in 1999.
| Treaties concluded by year | 1996 1997 1998 1999 2000 2001 2002 |
| Years | 1996 1997 1998 1999 2000 2001 2002 |
All items (4)