There are various synonyms for the term "Black September" that can be used to refer to the events that occurred in 1970 in Jordan. Some of the commonly used synonyms include "the Jordanian Civil War," "Black September conflict," and "the Palestinian uprising." These terms all relate to the events that took place when Palestinian militants infiltrated Jordan and created a conflict that resulted in many casualties. The conflict ended with the expulsion of Palestinian militants from Jordan, creating a significant impact on Jordanian and Palestinian politics. These synonyms help to define the events of Black September more clearly and accurately.