Östergötland Cavalry Regiment "Nulli Secundus" The Östergötland Cavalry Regiment (Swedish: Östgöta kavalleriregemente ) was a Swedish Army cavalry regiment. Its origin came in the 16th century. In 1791, they were merged with another unit. The regiment's soldiers were recruited from the province of Östergötland . History The regiment has its origins in fänikor (companies) raised in Östergötland ...