[DOC] [TLE] State of Maine - Wikipedia [PAR] Maine is the northernmost state in the New England region of the northeastern 
United States. ... On March 15, 1820, it was admitted to the Union as the 23rd 
state under the .... The coastal areas of western Maine first became the Province 
of Maine in a 1622 ... Maine was physically separate from the rest of 
Massachusetts. [DOC] [TLE] List of U.S. states by date of admission to the Union - Wikipedia [PAR] A state of the United States of America is one of the 50 constituent entities that 
shares its ... The first 13 became states in July 1776, upon agreeing to the 
Declaration of Independence, and .... 1820, Massachusetts (District of Maine) .... 
the admission of Missouri (a slave state) and Maine (a free state) into the Union; 
Toledo... [DOC] [TLE] Mass Moments: Massachusetts Loses Maine [PAR] ...in 1820, Massachusetts lost over 30,000 square miles of land as its former 
province of ... however, was that Maine's quest for statehood would become 
entangled in the ... to the Union was linked to the admission of Missouri as a 
slave state. ... the delicate balance between pro- and anti-slavery forces in the 
U.S. Congress. [DOC] [TLE] Maine - U.S. States - HISTORY.com [PAR] But Maine's northern boundary wasn't settled until the United States and Great 
Britain ... Maine became the 23rd state on March 15, 1820, as part of the Missouri
... [DOC] [TLE] Maine State History for Kids - Ducksters [PAR] Kids learn about the history and timeline of the state of Maine including early 
explorers, ... The people of Maine were independent minded and wanted to 
separate from ... 1820 they got their wish and became the 23rd state of the United 
States. [DOC] [TLE] Maine Statehood: Fact Sheet and Recommended Reading (3 pp. PDF) [PAR] Maine became the twenty-third state in the US on March 15, 1820. ... The 
movement for the District of Maine to separate from Massachusetts began in 
1785, and ... Historical Atlas of Maine (University of Maine Press, 2015), esp. 
plates 20-23. [DOC] [TLE] Maine History Online - 1775-1820 Tension, War & Separation [PAR] The decimated American troops retreated to New York State. .... for support, and 
opposition to the war emboldened some to call for New England's secession from 
the United States. .... Maine became the nation's 23rd state on March 15, 1820. [DOC] [TLE] Maine Secretary of State Kids: Detailed History - Maine.gov [PAR] *With permission from the author, the Secretary of State adds the following ... until 
1820 when Maine separated from Massachusetts to become a separate ... 
Congress established Maine as the 23rd state under the Missouri Compromise of 
1820. ... At this point the U.S. Congress entered the picture, approving $10 million 
for... [DOC] [TLE] Statehood [PAR] With popular sentiment unified behind statehood, the separation movement went 
... Congress established Maine as the 23rd state under the Missouri Compromise 
of 1820. This arrangement allowed Maine to join the Union as a free state, with ... 
merchant and shipbuilder who subsequently became Maine's first governor. [DOC] [TLE] Maine History | The History of Maine State | The US50 [PAR] About Us  Contact Us  Sponsorship ... State of Maine. States. Maine State Map 
Icon. Maine State collage of images. ... Congress established Maine as the 23rd 
state under the Missouri Compromise of 1820. ... Once Maine became a separate 
state there followed a period of tremendous economic growth in which a number
... [DOC] [TLE] 15 March 1820: Maine Became the 23rd US State | Gary Wallace [PAR] Mar 15, 2010 ... Maine formally became the 23rd US state on 15 March 1820 ... into the Union as 
a separate free state to balance the slave state of Missouri. [DOC] [TLE] State of Maine - MaineNiche.com [PAR] Maine became the 23rd state in 1820. ... Smith, former U.S. Secretary of State 
Edmund S. Muskie and George J. Mitchell and former Senator Olympia J.Snowe. [DOC] [TLE] This Day in History March 15, 1820 | Mystic Stamp Discovery Center [PAR] Mar 15, 2016

Question: In 1820 Maine separated from this state to become the USA's 23rd state
Answer: Massachusetts