Helsinki - Vallisaari Nature

<a rel="nofollow" href="https://fi.wikipedia.org/wiki/Vallisaari">Vallisaari</a>

The island's history for defense purposes began when Kustaanmiekka 1554 the first protective embankments were made. The island became pilots in the late 1700s. After the Crimean War in 1854-1855 was carried out fortification work, and Alexander II visited the island in 1863 during the verification visit. Granite was made for him and the stairs. in connection with the rebellion on the island of Suomenlinna took place in 1906 became the battle, and in 1918 it became the Helsinki armory storage. The island took place on 9 July 1937 a devastating ammunition depot explosion, which killed 12 people. [2] Since 1946, the summer of 1965 on the island, in its defense forces under the central weather station.