Exactly 300 years ago Oen 300 years ago, on August 25, 1702, Field Marshal Boris Sheremetev, during the Northern War, approached the Livonia Fortress of Marienburg (modern Aluxe in the northeast of Latvia). The commandant of the Swedish garrison agreed to capitulate, provided that everyone would be allowed to go peacefully to Riga. However, at the time of the transfer of the fortress from hand to hand, some Swedish officer blew up the powder warehouse - Sheretov.