Saudi troops enter Marib Governorate by...?

This market will resolve to "Yes" if Saudi troops enter any part of Marib Governorate, Yemen by the specified date, 11:59 PM ET. Otherwise, this market will resolve to "No". "Saudi troops" refers to active military personnel officially affiliated with Saudi Arabia. Only members of the regular armed forces of Saudi Arabia will qualify. Foreign fighters, private military contractors, mercenaries, or any other personnel recruited, paid, trained, equipped or directed by Saudi Arabia who are not mem