A file containing documents concerning a visit to the United Kingdom by the governing mayor of Berlin, Richard von Weizsäcker, in April 1982. Subjects covered in the file include the invitation by the Foreign Secretary, Lord Carrington; the visit as a demonstration of the British commitment to Berlin; and von Weizsäcker's plans to attend the Anglo-German Königswinter conference on international relations taking place in Cambridge at the same time as the visit. Other subjects discussed in the file include arrangements for von Weizsäcker to meet Lord Carrington, the prime minister, Margaret Thatcher, and the Lord Privy Seal, Humphrey Atkins; the unveiling of a painting of the Berlin airlift at the Royal Air Force Club in London; a meeting at the Royal Institute of International Affairs; and the visit's coinciding with that of the East German deputy foreign minister, Kurt Nier.