Diplomatic Relations with the Republic of Seychelles established on 11 December 2013.

Diplomatic Relations with the Islamic Republic of Afghanistan established on 2 July 2014.

2015 marks the 70th anniversary of the founding of the United Nations on 24 October 1945, and the 60th anniversary of Sri Lanka becoming a member-state of the UN on 14 December 1955.

The Sri Lanka Embassy in Ethiopia was officially opened on 7 February 2017 by the Foreign Minister of Ethiopia & Sri Lanka.

On December 13, 2017, Sri Lanka acceded to The Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti-Personnel Mines and on their Destruction, known informally as the Ottawa Treaty, the Anti-Personnel Mine Ban Convention, or often simply the Mine Ban Treaty.

Sri Lanka became the 163rd nation to accede to the treaty.

On 1 March 2018, Sri Lanka deposited the Instrument of Accession to the Cluster Munitions Convention (Oslo Convention). The Convention is a humanitarian imperative-driven legal instrument which prohibits all use, production, transfer and stockpiling of cluster munitions.

Establish Diplomatic Relations between the two countries with effect from 28 February 2019

Establish Diplomatic Relations between the two countries with effect from 10 May 2019