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Signature of the Tripartite agreement between Argentina, Brazil and Paraguay.
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First informal talks about integration between Argentina and Brazil.
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Presidents Alfonsin (Argentina) and Sarney (Brazil) commit their respective countries to integration. A joint Declaration on Nuclear Cooperation is also issued.
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Presidents Alfonsin and Sarney sign the Programma de Integracion y Cooperation Economica (PICE) establishing economic integration between Argentina and Brazil. The original program comprised 12 sectoral protocols, increased to 24 in subsequent summits.
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Signature of the Treaty of Integration, Cooperation and Development between Argentina and Brazil. The treaty establishes a common economic space and introduces the concept of common market as an aspiration for the future.
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Signature of the Buenos Aires Act that provides for the establishment of a bilateral common market by December 1994. A diplomatic campaign to attract new members to the future common market starts. Negotiations proceed now on to two parallel tracks: bilateral and multilateral.
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The Treat of Asunción, establishing a common market between Argentina, Brazil, Paraguay, and Uruguay, is signed.
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Protocol of Ouro Preto, amending the Treaty of Asunción from a Free Trade Area to a Customs Union.
Formalised a custom union between Mercosur members, but included provisions protecting sensitive industries within member states -
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Mercosur signs an Inter-regional Framework Co-operation Agreement with the European Union, formalising dialogues between the two bodies. It comes into effect in 1999.
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Frustrated in its attempts to join NAFTA, Chile joins Mercosur as an associate member.
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Talks between Mercosur and the European Union are held in Rio de Janiero, Brazil. Both parties pledge further cooperation between the two regions.
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MERCOSUR, Bolivia and, Chile are declared as a Zone of Peace and free of weapons of mass destruction
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Brazil and Peru’s presidents sign a free-trade agreement between Peru and Mercosur. Peru joins as an associate member.
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Venezuela joins Mercosur as an associate member, paving the way for it to become a de-facto full member two years' later. Additionally, NAFTA's Mexico gains observer status.
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Mercosur signs a cooperation agreement with the Andean Community of Nations. As a result, Colombia and Ecuador are brought in the fold as Mercosur associate members, joining their fellow Andean Community members, Bolivia and Peru.
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The Mercosur Parliament PARLASUR is inaugurated following an agreement in 2004 ordering its creation. It is based in Montevideo, Uruguay. Arlindo Chinaglia is it president.
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Paraguay is suspended from Mercosur in response to the impeachment of a senator for "dereliction of presidential duties". Mercosur interpreted this as a congressional coup and sactioned Paraguay until fresh elections were held.
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Venezuela is officially welcomed into the Mercosur trade bloc as Brazilian President Dilma Rousseff hosted Argentina's President Cristina Fernandez and Uruguay's Jose Mujica along with Chavez for the one-day Mercosur meeting in Brasilia.
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The president's of the Mercosur countries lifts Paraguay's suspension after the inauguration of Paraguay's new president in August.
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Bolivia was already accepted and is in the process of incorporation by the congress of the part states
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After this date, the Mercosur Parliament will transition to representatives being appointed via simultaneous elections across member states. The exact date for the first election is yet to be determined.
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Venezuela is accepted as a member of Mercosur, but waiting on recognition of full membership from Paraguayan parliament.
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