How many protesters took part in the Paris demonstrations by May 10, 1968?

By May 10, 1968, the number of student protesters in Paris had reached nearly 40,000. These students had organized a major march and rally to demand the reopening of the Sorbonne, the release of detained students, and an end to the intimidating police presence in the Latin Quarter. This date, which became known as the Night of the Barricades, saw protesters erect barricades after police blocked their path toward the Right Bank.1