rst mentioned in the chronicles of 1128. Navahrudak was founded somewhat later by Yaroslav I the Wise; Kerlov in 1250; Voruta and Twiremet in 1252; Eiragola in 1262; Halshany and Kowno in 1280; Lida, Telgiai, Vilna and Troki in 1320. Increasing prosperity and the great charter (1320-1432) EFTA00545455