• The first Captains Regent, acting as joint heads of state, are appointed.
  • San Marino’s constitution is laid out in the Statutes of 1600, providing for a parliamentary government.
  • The Papacy recognizes San Marino’s independence.
  • San Marino signs a customs union and treaty of friendship and cooperation with Italy.
  • San Marino joins the Council of Europe.
  • San Marino joins the United Nations.
  • San Marino signs a treaty with the OECD to provide greater transparency in banking and taxation.

Sources:

BBC News open_in_new
Britannica open_in_new