1813 – On August 5th Daniel D. Tompkins is chosen as the first Sovereign Grand Commander of the Northern Masonic Jurisdiction. Tompkins had enjoyed a successful political career. In 1804 he was simultaneously elected to Congress and appointed to the New York Supreme Court. He chose the latter, serving until his election as Governor in 1807. He was offered the post of Secretary of State in the Madison administration, and was elected U.S. Vice President in 1816, with fellow Mason, James Monroe.

1827 – Anti-Masonic movement spreads across the nation, and nearly extinguishes the fraternity. John James Joseph Gourgas was elected as SGC and kept the rite alive during this dark period. Through his dedication and loyalty he earned the title “Conservator of the Rite.”
 
1840’s – SGC Giles F. Yates sets about rebuilding the organization. One of his followers, Killian H. Van Rensselaer, established new valleys in New Haven, Pittsburgh, and Chicago.
 
1851 – Edward A. Raymond is elected as SGC.
 
1860 – Raymond’s contentious leadership causes a split in the Supreme Council. He was deposed and replaced by Van Rensselaer. Raymond established a rival Supreme Council, which operated for six years.
 
1867 – Following the death of Raymond, the two rival councils unified.
 
1879 –  Henry L. Palmer is elected SGC, beginning the longest tenure (30 years) in the history
of the rite.
 
1921 – Leon Abbott is elected and moves the Supreme Council headquarters from New York to Boston. Upon his death, his will provided for the Abbott Scholarships.
 
1933 – Melvin Maynard Johnson is elected and serves as the first full-time SGC. Johnson led the rite through the Great Depression, World War II, a membership drop to 208,000, and its rebound to 422,000. He established a foundation to fund schizophrenia research and wrote many papers on early freemasonry.
 
1968 – SGC George A. Newbury moved the Supreme Council headquarters from Boston to Lexington, MA, just a mile from where the American Revolution began.
 
1970 – The Northern Light begins publishing.
 
1975 – On April 20, the day after the American Revolution Bicentennial began on Lexington Green with President Ford presiding, the National Heritage Museum opens on the grounds of Supreme Council headquarters. It is called the gift of the Scottish Rite Masons to the nation.
 
1995 – SGC Robert O. Ralston begins a new charity as the first 32° Masonic Learning Center for Dyslexia opens. There are now 46 such centers, with more on the way.
 
2000 – The Supreme Council opens its new headquarters building on the grounds in Lexington, MA.
 
2003 – Walter E. Webber succeeds Robert Ralston as Sovereign Grand Commander.
 
2005 – The number of children's learning centers exceeds 50.
 
2006 – John Wm. McNaughton assumes the post of Sovereign Grand Commander upon the death of Ill. Walter E. Webber.more degrees were added.