It's an open secret that anniversaries are very important for UPSC. Take any Mains or PT paper, you'll find many questions based on anniversaries. And it's quite logical as events gain importance and coverage around anniversaries. Hence this thread is being started to keep track of anniversaries.
We all can post about anniversaries of three years, i.e. this year, next year and next to next year.
This thread is going to help immensely.
To start with, i am posting...
It was agreed on 16 September 1987, and entered into force on 1 January 1989, followed by a first meeting in Helsinki, May 1989.
Since then, it has undergone eight revisions, in 1990 (London), 1991 (Nairobi), 1992 (Copenhagen), 1993 (Bangkok), 1995 (Vienna), 1997 (Montreal), 1998 (Australia), 1999 (Beijing) and 2016 (Kigali, adopted, but not in force).
There can be a question based on it in PT or Mains.