Principality of Seborga - Cistercian-Templar state or hoax?

Seborga was an ancient feud of the Counts of Ventimiglia. In 954 Count Guido bestowed the castle, the Saint Michael's Church in Ventimigila and the big portion of land to the monks of Lerins.  

In 1079 Seborga became a Principality of the Holy Roman Empire. It also boasts a Templar and Cistercian origin. Fact or hoax?

Medieval stories in a Portugese railway station

In the entrance hall of the Sao Bento station in Porto, northern Portugal, is a display in painted tiles of key scenes in medieval history from that country. Events to which early Portuguese Templars may have contributed.

The Templar Commandery at Zaamslag, the Netherlands

West of Zaamslag in Zeelandic Flanders, the Netherlands, ploughed fields still hide the Templar commandery known as the Tempelhof. Written sources name the Order here from 1200, the oldest pottery points to the twelfth century, and a survey of 2016 to 2018 found two sites with building remains and ditches. What do they tell us?