Hermann's Tall is a defensive tower that stands in the southwest corner of Tombia Castle in Tallinn. It is believed to have been built in 1371, having attained its present height (45.6 m) and its shape in the late 15th century. A narrow stone staircase of 215 steps leads to the top of the tower; Above, at 95 meters above sea level, the flag that symbolizes the ruling power of Estonia is raised. The blue, black and white national flag was first seen here on December 12, 1918, and after years of Soviet occupation again on February 24, 1989.