Briefly describe the historical event of the disintegration of the Soviet Union.
In the late 1980s and early 1990s, ethnic conflicts occurred one after another in the Soviet Union, and the contradiction between joining the * * * and the national central government and alliance became increasingly intensified. 1990 In March, Lithuania declared its independence. Since then, some participating countries have successively issued sovereignty statements. In this context, the Soviet Union proposed to formulate a new alliance treaty, adjust the relationship between the Soviet Union and countries that have joined * * *, and expand the power to join * * * and countries. After the Soviet Union's August 199 19 incident, various countries declared their independence. On September 6th, the Soviet Union recognized the independence of Lithuania, Latvia and Estonia. On February 8, 65438, the leaders of the Russian Federation, Belarus and Ukraine signed an agreement on the establishment of the Commonwealth of Independent States in Minsk, the capital of Belarus. 65438+February 2 1, the leaders of the three countries and the leaders of Azerbaijan, Armenia, Kazakhstan, Kyrgyzstan, Moldova, Tajikistan, Turkmenistan and Uzbekistan held an independent summit in Almaty, Kazakhstan (Georgia attended the meeting as an observer). 1 1 State leaders signed the Protocol on the Establishment of the Commonwealth of Independent States, issued the Almaty Declaration, officially announced the establishment of the Commonwealth of Independent States, and declared that the Soviet Socialist Union no longer existed.