This time, a grand demonstration against extremist behavior and violence is held in Paris. President Hollande and 50 world leaders are taking part in in. It's a quart of a century past that a French president took part in a demonstration, and it's unseen that so many offcials of various countries (also from muslim countries) are participating.
This demonstration, in which 1 million people are expected to take part, is a reaction against the violence done to the offices of Charlie Hebdo in Paris. Several people lost their lives in this and a couple of other attempts.
It shows how people detest extremist behavior. Believe in what you want, but don't bother others with that belief, is my religion. It would be a blessing if everyone would think that way!