John Lawrence Grattan, Date of Birth, Place of Birth, Date of Death
TweetJohn Lawrence Grattan
US Cavalry officer
Date of Birth: 01-Jun-1830
Place of Birth: Vermont, United States
Date of Death: 19-Aug-1854
Profession: military officer
Nationality: United States
Zodiac Sign: Gemini 
About John Lawrence Grattan
- John Lawrence Grattan (June 1, 1830 – August 19, 1854) was a mid-19th century US Cavalry officer, whose poor judgement and inexperience led to the Grattan massacre, which was a major instigator for the First Sioux War.
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