Primož Trubar or Primus Truber was a Slovene Protestant Reformer of the Lutheran tradition, mostly known as the author of the first Slovene language printed book, the founder and the first superintendent of the Protestant Church of the Duchy of Carniola, and for consolidating the Slovenian language. Trubar introduced The Reformation in Slovenia, leading the Austrian Habsburgs to wage the Counter-Reformation, which a small Protestant community survived. Trubar is a key figure of Slovenian history and in many aspects a major historical personality.

The Slovenes, also known as Slovenians, are a South Slavic ethnic group native to Slovenia, and adjacent regions in Italy, Austria and Hungary. Slovenes share a common ancestry, culture, history and speak Slovene as their native language. According to ethnic classification based on language, they are closely related to other South Slavic ethnic groups, as well as more distantly to West Slavs.