16 September 1987 September 16, 2015 Author: Staff The Montreal Protocol is signed in order to protect the ozone layer from further depletion. Famous Words of Inspiration..."Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable." Sydney Harris — Click here for more from Sydney Harris Related posts: 16 September 1987 15 October 1987 1 January 1989 22 September 1987 8 December 1987 29 July 1987 20 December 1987 19 October 1987 7 December 1987 20 January 1987 Categories: History Tags: 16 September, 1987