St. Catherine's Church, Gdańsk
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Iglesia_de_Santa_Catalina%2C_Gdansk%2C_Polonia%2C_2013-05-20%2C_DD_03.jpg/220px-Iglesia_de_Santa_Catalina%2C_Gdansk%2C_Polonia%2C_2013-05-20%2C_DD_03.jpg)
St Catherine's Church is the oldest church in Gdańsk, Poland. It was a Protestant church from 1545 until 1945, after which it became a Roman Catholic church. It also has worlds first pulsar clock.
External links
Media related to Saint Catherine church in Gdańsk at Wikimedia Commons