The Armenian National Assembly is celebrated its 15-th anniversary this November. On this occasion a solemn sitting of the parliament will be convoked. As RA NA Chairman Artur Baghdassaryan told journalists, representatives of some interparliamentary delegations will be invited to take part in the sitting. At the same time the Chairman informed that Speakers of Hungarian, Brazilian, Russian and Slovakian parliaments will visit Armenia till the end of the current year. Artur Baghdassaryan also noted that late this year two sittings of the CIS Interparliamentary Assembly will be held. In November the republic of Armenia will assume presidency over the Parliamentary Assembly of the Black Sea Economic Cooperation Organization, reported by IA Regnum.