Linked Heritage is a network which includes ministries, government agencies, content providers and aggregators, leading publishers and research centers from 20 countries of the European Union, Israel and Russia. Its main purpose is on the one hand the supply a large amounts of new content to Europeana by the public and private sector, and on the other improving the quality of existing content to Europeana, in terms of richness of metadata, its potential reuse and its uniqueness.