(VOVworld)- National Assembly Chairman Nguyen Sinh Hung will attend the 4^th World Conference of Speakers of Parliament to be held in New York and will pay an official visit to the US from August 31 to September 9^th. On Monday, the External Relations Committee of the National Assembly announced that the visit is made at the invitation of the Chairman of the Inter-Parliamentary Union Saber Chaudhury, US Senator Patrick Leahy, Speaker of the US House of Representatives John Boehner and US Senator John Mc Cain.