European leaders revived the idea of a single currency in 1986 and committed to a three-stage transition process in 1989. At present, harmonised long-term interest rates are available for all Member States apart from Estonia. There are no Estonian sovereign debt securities that comply with the definition of long-term interest rates for convergence purposes. The institutional and policy architecture established by the treaty for European economic and monetary union faced its first major challenge in the European debt crisis that unfolded from the end of 2009. Per the Maastricht criteria, the inflation rate should be no more than 1.5 % above the rate for the three EU member states with the lowest inflation over the previous year. EU calls Turkey to end drilling in East Med immediately, Amazon forest fires are raging in Brazil again, Jutta Urpilainen eudebates the RE-SET of EU-Africa relations, Brexit Deal is take it or leave it. This narrow vote for ratification in France, known at the time as the 'petite oui', led Jacques Delors to comment that "Europe began as an elitist project in which it was believed that all that was required was to convince the decision-makers. Daily and monthly long term interest rates convergence series data are collected by the European Central Bank (ECB) from the national central banks. The ECB also calculates the EU aggregate series, based on the data of the national central banks. The Maastricht Treaty (officially the Treaty on European Union), signed on 7 February 1992 by the members of the European Communities in Maastricht, Netherlands,[1] created the European Union (EU); established a three-pillar structure for further European integration; and laid down the "convergence criteria" for the introduction of the euro in 2002 as a common European currency. For Greece, no data are available for July 2015 owing to market closure. Euro area unemployment 7.5% and EU28 6.3%, Coronavirus “free” – Safe Travel Summer destinations in Europe. Data are available at the envisaged date. Data are revised each time the ECB transmits revised data. Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society. The other two pillars were essentially more intergovernmental in nature with decisions being made by committees composed of member states' politicians and officials.[10].