News INVITATION FOR THE 43. HAJDÚ-BIHAR COUNTY ARCHIVES DAYS 2016-11-19 admin The National Archives of Hungary’s Hajdú-Bihar County Archives invites you to the 43th Hajdú-Bihar County Archives Days which will be held on 15-16 November 2016 in Debrecen and Földes in occasion of 60th anniversary of the 1956 revolution.