How many people lived in Boston in 1822; and how many things happened to each of them? Rephrase your question. ie: Why is the year 1822 significant in the History of Boston?
On June 15th, 1775, the Continental Congress appointed George Washington to be the commander of the Continental Army.
Battle of Pichincha happened on 1822-05-24.
Brazil gained independence peacefully in 1822.
The Rosetta Stone
According to historians, in 1808 the French conqueror Napoleon Bonaparte invaded Chile in 1808 and imprisoned the Spanish King Ferdinand VII. Also, in 1822 the Chilean Constitution is recognized.
Danish
in 1822
Independence of Brazil happened in 1822.
Chios Massacre happened in 1822.
Battle of Spetses happened in 1822.
Iis
Battle of Pichincha happened on 1822-05-24.
Battle of Pirajá happened on 1822-11-08.
Siege of Salvador happened on 1822-03-02.
Battle of Dervenakia happened on 1822-07-26.
Order of the Southern Cross happened in 1822.
Battle of Peta happened on 1822-07-04.
well... that is the time of louis pasteur's life