Ursuline Church of the Holy Trinity was built between 1718 and 1726 in the Baroque style. The church was designed by Carlo Martinuzzi, a Friulian architect, and is noted for its extensive altar made of African marble designed by Francesco Robba, who also built the Fountain of the Three Rivers of Carniola which stands on Town Square in Ljubljana. The original bell tower was destroyed in the Ljubljana earthquake of 1895. The current one was built in the 1900s. The staircase in front of the entrance has been partially designed by the architect Jože Plečnik in 1930.
In front of the Ursuline Church stands the Holy Trinity Column. The originally wooden column stood since 1693 in front of a Carmelite monastery at Ajdovščina. In 1722, it was replaced with a stone one, made by Luka Mislej, whereas the marble statues have been presumably created by Francesco Robba. In 1834, the stonemason Ignacij Toman made a new pedestal and the original Robba's sculpture was replaced with a replica. The original is now kept by the City Museum of Ljubljana. The column was again renovated after the 1895 Ljubljana earthquake by the stonemason Feliks Toman. It was relocated in front of the Ursuline Church in 1927 upon plans by Plečnik as part of his redesign of Congress Square. Now it forms an axis with the Ursuline Church, the lights at the square and the building of the Slovenian Philharmonics.
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Herceg Novi was founded (on a former small fishing village, existing since Roman Empire times) as a fortress in 1382 by first Bosnian King Stjepan Tvrtko I and was called Sveti Stefan or Castelnuovo. The Turks conquered Herceg Novi in 1482, and ruled for 200 years, until 1687. However, there was a short pause between 1538 and 1539 when it was held by the Spaniards before they were defeated in the Siege of Castelnuovo. Turkey ruled again until 1687, from then until 1797, the town was ruled by the Venetian Republic.
The Herceg Novi old town is amazing. It is on a fairly steep hill that leads all the way down to the sea. Wandering through the small stairways to the various plazas and fortresses is a many hour adventure.