Duke Carl of Södermanland (later King Carl XIII ) took over leadership in 1774. Between 1780 and 1800, he conducted two major ritual revisions to create a logical, unified system that remains the foundation of the order today.
In 1756, Carl Friedrich Eckleff formed the first St. Andrews lodge in Stockholm, and in 1759, he established a Grand Chapter, introducing a progressive system of higher degrees. Svenska frimureriets historia
Freemasonry was introduced to Sweden not from England, but through . Duke Carl of Södermanland (later King Carl XIII
The history of Swedish Freemasonry (Svenska Frimureriets Historia) is a unique narrative of cultural import, royal patronage, and the development of a distinct "Swedish Rite" that differs from the Anglo-American traditions found elsewhere. 1. Origins and French Influence (1735–1750s) Andrews lodge in Stockholm, and in 1759, he
Baron Carl Fredrik Scheffer obtained a patent from the Grand Lodge of France in 1737 to establish lodges in Sweden, and he became the first Grand Master when the Grand Lodge of Sweden was eventually created in 1761. 2. Development of the Swedish Rite (1756–1800)
During the mid-to-late 18th century, Swedish Freemasonry evolved from a three-degree system into its current eleven-degree structure, known as the .