The exhibitions take place at a time when the country is preparing for celebrations for the 42th anniversary of the liberation of southern Vietnam and national reunification (April 30). On display are hundreds of historical items, documents, photos and national maps and maps of Khanh Hoa’s sea and islands, affirming Vietnam’s sovereignty over Hoang Sa and Truong Sa archipelagoes. Many of the documents and maps were produced in the 16th century in Vietnam and foreign countries.The exhibitions are the first in a series of similar events to be held all districts and cities of Khanh Hoa from 2017 to 2020.The province had previously hosted similar exhibitions in Nha Trang city and Truong Sa island district, attracting a large number of local visitors.