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The law "On national anthem of the Republic of Uzbekistan" was adopted on the December 10, 1992.
About Constitution

The Constitution of the Republic of Uzbekistan adopted on december 8, 1992 at the eleventh session of the Supreme council of the Republic of Uzbekistan of the Twelfth convocation.

(by the results of the national referendum hold on January 27, 2002 and according to the adopted on its basis Law of the Republic of Uzbekistan of April 24, 2003 introduced alterations and additions into chapters XVIII, XIX, XX, XXIII of the Constitution of the Republic of Uzbekistan. According to the Law of the Republic of Uzbekistan of April 11, 2007 introduced amendments into Article 89, point 15 of Article 93, part two of Article 102 of the Constitution of the Republic of Uzbekistan. According to the Law of the Republic of Uzbekistan of December 25, 2008 introduced alteration into part one of Aricle 77 of the Constitution of the Republic of Uzbekistan. According to the Law of the Republic of Uzbekistan of April 18, 2011 introduced alterations into Articles 78, 80, 93, 96 and 98 of the Constitution of the Republic of Uzbekistan. According to the Law of the Republic of Uzbekistan of December 12, 2011, an amendment was made to part two of Article 90 of the Constitution of the Republic of Uzbekistan. According to the Law of the Republic of Uzbekistan of April 16, 2014 introduced alterations into Articles 32, 78, 93, 98, 103 and 117 of the Constitution of the Republic of Uzbekistan)

Interesting facts
The Brazilian Constitution has a special chapter, "the Indian", in which the Indians for the recognition of their social organization, customs and traditions, languages and beliefs, as well as the original right to the lands they traditionally occupy.