[5][dead link‍] On 21 September 1944, San Marino declared war on Germany.

[7] At UN-sponsored talks between 17 and 22 July 1961, the British government agreed to pay San Marino reparations to the sum of £80,000 for their part in the erroneous wartime bombing of the republic after the latter had filed a claim for 732 million lire.

[8][9][10] San Marino appoints a non-resident ambassador to the UK, currently a position held by Dario Galassi since 2023.

[12][13][14] The Foreign Minister of San Marino, Luca Beccari, has visited the UK on multiple occasions,[15][16] as have the various Captains Regent of the country.

[17][18][19] The British All Party Parliamentary Group on San Marino has paid visit to the country,[20] as has Theresa May shortly after leaving office as Prime Minister.