The six-part historical treatise Rerum Frisicarum historiae decades, published between 1592 and 1616, established the scholarly reputation of Ubbo Emmius. Born in 1547 in Greetsiel, he navigated the complex political and religious landscapes of the German Renaissance, transitioning from a Latin school teacher to a founding figure of the University of Groningen in the Dutch provinces.
Academic Beginnings and Influences
Emmius attended a Latin school from age nine until his father, a Lutheran preacher, died. His intellectual development accelerated in his thirties while studying in Geneva under Theodorus Beza, a Calvinist whose theological perspectives fundamentally shaped Emmius. Upon returning to East Friesland in 1579, he began his career as a rector at a college in Norden. However, his professional trajectory faced friction due to his commitment to Reformed Christianity; in 1587, the local court dismissed him for refusing to sign the confession of Augsburg.
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In 1588, Count Johan invited Emmius to serve as rector of the Latin school in Leer. During this tenure, he maintained correspondence with intellectual refugees displaced by Spanish military operations in Groningen. Following the surrender of Groningen to Prince Maurits in 1594, those who had fled the city returned and appointed him rector of the St Maarten school. Emmius eventually served as the primary architect for the establishment of the University of Groningen, where he accepted the roles of professor and the institution's first rector magnificus from 1614 to 1615.
Historiography and Cartography
Emmius made significant contributions to the fields of geography and history. Beyond his extensive work on Frisian territories, he authored the Opus chronologicum, published in Groningen in 1619, which analyzed and compared historical timelines across different nations and calendar systems. Other scholarly outputs include Vetus Graecia illustrata, printed in Leiden in 1626, and Historia temporis nostri, which reached publication in 1732. These texts, written in Latin, reflected his dual expertise as a historian and cartographer active within the German Renaissance movement.
Fast facts
- Born: 1547, Greetsiel
- Died: 1625, Groningen
- Primary Occupation: Historian, geographer, university teacher
- Education: Studied in Rostock and Geneva
- Key Leadership: First rector magnificus of the University of Groningen
- Significant Work: Rerum Frisicarum historiae decades (1592–1616)
- Languages: Latin
- Religious Affiliation: Reformed Christianity
Questions readers ask
What was the reason for Emmius's dismissal from the school in Norden?
He was removed by the local court in 1587 because he would not subscribe to the confession of Augsburg due to his Calvinist beliefs.
What did Emmius compare in his work titled Chronologicum?
He compared the histories of various nations that utilized different calendar systems.



