Ключевые слова: 1 september 1939, 1939, attack, baltic, battle, battlefield, begun, commemorate, conflict, defence, defender, defense, europe, fight, fortress, freedom, gdansk, grass, harbor, heroes, historic, historic place, historical, history, important, invasion, landmark, liberty, memorial, memory, military, national, outbreak, outburst, outdoor, peninsula, place, poland, polish, pomerania, second world war, sightseeing, sign, starts, trees, war, westerplatte, world war, world war ii, writting,