important events in the civil rights movement

lunch counter sit-ins
civil rights act of 1964

assassination of dr. martin luther king jr.
according to this timeline, which event below should go in the blank provided?

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.