In relation to the Djiboutian–Eritrean border conflict: 2008 April — Djibouti accuses Eritrean troops of digging trenches at disputed Ras Doumeira border area and infiltrating Djiboutian territory. Eritrea denies charge. 2008 June – Fighting breaks out between Eritrean and Djiboutian troops. 2009, 23 December — the UN Security Council imposed sanctions on Eritrea for providing support to armed groups undermining peace and reconciliation in Somalia and because it had not withdrawn its forces following clashes with Djibouti in June 2008. The sanctions consisted of an arms embargo, travel restrictions and a freeze on the assets of its political and military leaders. The sanctions were reinforced on 5 December 2011. 2010 June — Djibouti and Eritrea agreed to refer the dispute to Qatar for mediation. 2017 June — Following the 2017 Qatar diplomatic crisis, Qatar withdrew its peacekeeping forces from the disputed territory. Shortly after, Djibouti accused Eritrea of reoccupying the mainland hill and Doumeira Island.
In relation to the Djiboutian–Eritrean border conflict: 2008 April — Djibouti accuses Eritrean troops of digging trenches at disputed Ras Doumeira border area and infiltrating Djiboutian territory. Eritrea denies charge. 2008 June – Fighting breaks out between Eritrean and Djiboutian troops. 2009, 23 December — the UN Security Council imposed sanctions on Eritrea for providing support to armed groups undermining peace and reconciliation in Somalia and because it had not withdrawn its forces following clashes with Djibouti in June 2008. The sanctions consisted of an arms embargo, travel restrictions and a freeze on the assets of its political and military leaders The sanctions were reinforced on 5 December 2011. 2010 June — Djibouti and Eritrea agreed to refer the dispute to Qatar for mediation. 2017 June — Following the 2017 Qatar diplomatic crisis, Qatar withdrew its peacekeeping forces from the disputed territory. Shortly after, Djibouti accused Eritrea of reoccupying the mainland hill and Doumeira Island.