On 12 July, the Minister of Foreign Affairs of Lithuania Linas Linkevičius participated in the Foreign Ministers Meeting of the Global Coalition Against Daesh at the invitation of the U.S. Secretary of State Mike Pompeo.

The Seimas ratified the Accession Agreement of Lithuania to the Organisation for Economic Co-operation and Development (OECD) under an urgency procedure on 28 June 2018. After Lithuania deposits its ratification documents with the French Government, it will become the 36th full-fledged member of the Organisation.

At the meeting of the European Union Foreign Affairs Council (FAC) in Luxembourg on 25 June, Minister of Foreign Affairs, Linas Linkevičius, informed his colleagues about his recent visit to Ukraine where he had met with top officials of Ukraine, with representatives of the opposition and members of the Tatar community.

On 25 June, at the meeting of the Foreign Affairs Council (FAC) of the European Union in Luxembourg, after Federica Mogherini, High Representative for Foreign Affairs and Security Policy, presented the second report on the implementation of the EU Global Strategy in the area of security and defence, adopted in 2016, the Minister of Foreign Affairs of Lithuania suggested that the focus should be on resilience inside and outside the EU. “What we must do first is to address our shortfalls – to block Russian propaganda channels that some EU members continue to broadcast by making use of loopholes in our legal framework,” Linas Linkevičius said.

Lithuanian Minister of Foreign Affairs, Linas Linkevičius, visited the Luhansk Oblast in Ukraine on 22 and 23 June where he had meetings with the Head of the Oblast State Administration (regional military and civil administration), Yurii Harbuz, with a business community, Ukrainian military and non-governmental organisations (NGOs) that provide support to war-affected people.

On 19 June, Linas Linkevičius, Lithuanian Minister of Foreign Affairs, met with foreign ministers of the Nordic, Baltic and Visegrad countries in Stockholm (Sweden).

On 12 June at the United Nations Headquarters in New York, the Lithuanian representative, Professor Jonas Ruškus was re-elected to serve a second term on the Committee on the Rights of Persons with Disabilities (CRPD). Having won the second largest number of electoral votes, Lithuania's candidate was elected in the first round.

On 7 June, Foreign Minister Linas Linkevičius participated in the plenary session of the Summit of Women Political Leaders held in the Seimas  which aimed to discuss political leadership in the face of global threats.

On 5 June, Professor Dainius Pūras, United Nations Special Rapporteur on the right of everyone to the enjoyment of the highest attainable standard of health was elected as Chairperson of the Coordination Committee of Special Procedures of the United Nations Human Rights Council. He will coordinate the work of about 80 independent UN experts, who implement the organization's mandates in the field of human rights.

On 1 June, the Minister of Foreign Affairs of Lithuania Linas Linkevičius attended a conference at Stanford University to celebrate the 100th anniversary of independence of the Baltic states. The conference was organized by the Association for the Advancement of Baltic Studies (AABS).

On 30 May, the Minister of Foreign Affairs of Lithuania Linas Linkevičius attended the OECD's annual Ministerial Council meeting in Paris. In the meeting, the President of Lithuania Dalia Grybauskaitė and the OECD Secretary-General Angel Gurria signed the OECD Accession Agreement with Lithuania. The President of France Emmanuel Macron congratulated Lithuania after the signing of the Accession Agreement for the country to join the OECD.

On 29 May, while on his visit to France, Lithuanian Foreign Minister Linas Linkevičius participated in the European Council on Foreign Relations (ECFR) Annual Council Meeting with his speech Russia/Ukraine: Time to move beyond sanctions.

Minister of Foreign Affairs Linas Linkevičius, paid a visit to Stockholm on the invitation of Swedish Minister for Foreign Affairs, Margot Wallström, on 26 May where he took part in the Baltic Day, a cultural event organised by the Lithuanian, Latvian and Estonian communities in Sweden, to mark the centenary of their states’ independence.

On 23 May, the Permanent Representative of Lithuania to the United Nations, Ambassador Audra Plepytė presented her letters of credence to the Secretary-General of the Caribbean Community (CARICOM) Irwin LaRocque in Georgetown, capital city of Guyana.