If Togo, Liberia, Ivory Coast, and Ghana were to each celebrate together...?

Question

celebrate together one of their neighbor's holiday...? Which would you suggest. This would give people more holidays, and less days of the year for hostility.

Answer 1

1. Your question is ludicrous because its underlying assumption is that there is a cessation of hostilities on public holidays. The reality is that, on a public holiday, more attacks are likely to be launched, because aggressors hope to catch the opposing side unaware. One famous example is the Tet Offensive.
http://en.wikipedia.org/wiki/Tet_offensive

2. If you want a day of non-violence, then it should be 21 September.
http://www.peaceoneday.org/