Estonia–Latvia relations members of the Baltic Free Trade Area from 1994 until 2004 after which they joined the European Union. In 2006, Latvia accounted for 3% of Estonian exports. Latvia accounted for 5% of Estonian imports. There are 15 bilateral agreements between the 2 countries many of them signed trilaterally with Lithuania. The three Baltic countries signed a trilateral defence agreement on 12 February 1995. Estonia–Latvia relations Estonia and Latvia, the two northernmost Baltic states, share 343 km of common borders. Both states share a long common history, having since the 13th century been ruled by the Livonian Order, Poland-Lithuania, Sweden and
MS Estonia hull to the surface and the salvage operation, the Swedish government suggested burying the whole ship "in situ" with a shell of concrete. As a preliminary step, thousands of tons of pebbles were dropped on the site. The "Estonia Agreement 1995", a treaty among Sweden, Finland, Estonia, Latvia, Poland, Denmark, Russia and the United Kingdom, declared sanctity over the site, prohibiting their citizens from even approaching the wreck. The treaty is, however, only binding for citizens of the countries that are signatories. At least twice, the Swedish Navy has discovered diving operations at the wreck. The wreck is monitored by