He subsequently conducted a seven-year foreign trip to Leiden (1639), Orléans (1640), Siena (1642), Rome and Padua (1647) and Strasbourg and Basel (1648).

The Danish loss of Scania to Sweden as a result of the Treaty of Roskilde in 1658 made Bering a Swedish subject.

With support from Corfitz Ulfeldt (1606–1664) he negotiated with King Charles XI of Sweden for a position as Swedish Historiographer.

The king approved his proposal in 1659 but Bering managed to sell his estate to Peder Winstrup (1605–1679), Bishop of the Diocese of Lund.

His only publication was a critical work on England, Orosij Annilonis dissertalio de bello Dano-Anglico (1667), a defense of the Danish king's policy.

His largest work, Floms Danicus, an account of Danish history in Latin reaching back to 1448, was not published until 1698.

They represent the transition in Danish Baroque poetry from Anders Bording (1619–1677) to Thomas Kingo (1634–1703) both of whom were among his personal friends.

[6][7] Bering married Anne Nielsdatter, daughter of Niels Pedersen Aurilesius (1601–1634), rector of the University of Copenhagen, on 13 June 1652.