St.John's church was dedicated on August 27, 1900 after the long history before. The first wooden church was built in 1461, the next, also made of wood, was built in 1530 and renovated in 1567. The masonry church was built in 1614-1615 and financed by Wilhelm Duke.
The fifth church in Saldus was built in 1737 on the hill where the present church stands. It was reconstructed in 1825. In 1898 the old church was torn down. Architect Wilhelm Neumann designed the church. Construction took place from 1898 to 1899 and cost 19,700 rubles.The completed church was named in honor of St. John.
The church was reconstructed in 1938 for a sum of 15,000 lats. The artist Ansis Bērziņš led the renovation of the interior and furnishings. The retreating German army bombed the church tower in 1944. The roof was also damaged. A temporary wooden tower was built in 1945-1946.
Demolition of the temporary tower began on June 13, 1981, and the construction of the new tower began ten days later. Saldus architect Edgars Krūmiņš designed the tower and V. Krivans made the rooster at the top of the spire. The renovated church was dedicated on August 1, 1982. The underground tombs were opened and researched during a renovation in 1995, when heated flooring was installed. The church facade was renovated in 2006.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.