Conversation so far:
Are there any other interesting aspects about the Ahmed Yassin article?
The Palestinian Authority declared three days of mourning and closed Palestinian schools.
What caused the closure of Palestinian Schools by the Palestinian Authority?
Ahmed Yassin was killed in an Israeli attack.
Who were Palestinians mourning when the Palestinian Authority declared three days of mourning?
Ahmed Yassin
When did Ahmed Yassin die?
22 March 2004

Question: Why was this the moment he had been waiting for?
Self-contained rewrite: Why was Ahmed Yassin's assassination the moment he had been waiting for?