25 June – Bahrain officially issues Qatar a list of demands, including the cessation of relations with Iran, closure of a Turkish military base being constructed, suspend relations with groups like the Muslim Brotherhood and shut down Al Jazeera.
8 September – Qatari Emir Al Thani telephones the Saudi Crown Prince to discuss the three-month-old diplomatic crisis. US President Donald Trump speaks to both leaders that regional unity is necessary to deter any threat posed by Iran.
9 September – Saudi Arabia suspends any dialogue by Qatar, accusing it of "distorting facts" in the reporting of yesterday's call suggesting a breakthrough in the dispute.