Western Massachusetts in the context of "Five Colleges (Massachusetts)"

Shays's Rebellion was an armed uprising in Western Massachusetts and Worcester in response to a debt crisis among the citizenry and in opposition to the state government's increased efforts to collect taxes on both individuals and their trades. The fighting took place in the areas around Springfield during 1786 and 1787. Historically, scholars have argued that the four thousand rebels, called Shaysites, who protested against economic and civil rights injustices by the Massachusetts government were led by Revolutionary War veteran Daniel Shays. By the early 2020s, scholarship has suggested that Shays's role in the protests was significantly and strategically exaggerated by Massachusetts elites, who had a political interest in shifting blame for bad economic conditions away from themselves.

In 1787, the protesters marched on the federal Springfield Armory in an unsuccessful attempt to seize its weaponry and overthrow the government. The federal government, severely limited in its prerogatives under the Articles of Confederation, found itself unable to finance troops to put down the rebellion; it was consequently put down by the Massachusetts State Militia under William Shepard, alongside a privately funded local militia led by former Continental Army officer Benjamin Lincoln. The widely-held view had already developed that the Articles of Confederation were untenable and needed amending, with the events of the rebellion serving as further evidence for the later Constitutional Convention. There is continuing debate among scholars as to what extent the rebellion influenced the later drafting and ratification of the Constitution.

The greater Hartford–Springfield area is an urban region and surrounding suburban areas that encompasses both north-central Connecticut and the southern Connecticut River Valley in western Massachusetts; its major city centers are Springfield, Massachusetts, and Hartford, Connecticut.

The area is also sometimes called the Knowledge Corridor, initially employed as a 2012 rename ("New England's Knowledge Corridor") for the Hartford–Springfield Economic Partnership, an interstate cooperative venture to foster an economic, cultural, and civic partnership between the two major cities on the Connecticut River. The term Knowledge Corridor has gained a degree of currency, mostly with some government organizations as well as local businesses and universities using the name. The New Haven–Springfield Line and Connecticut River Line form the primary rail route through the region, and are sometimes themselves called the Knowledge Corridor in planning documents.

Berkshire County (pronounced /ˈbɜːrkʃər/) is the westernmost county in the U.S. state of Massachusetts. As of the 2020 census, the population was 129,026. Its largest city and traditional county seat is Pittsfield. The county was founded in 1761. The Berkshire Hills are centered on Berkshire County. Residents are known as Berkshirites. It exists today only as a historical geographic region, and has no county government, with the exception of the retirement board for former county workers, and the offices of the sheriff and the registrar of deeds.

Pittsfield is the most populous city in and the county seat of Berkshire County, Massachusetts, United States. It is the principal city of the Pittsfield, Massachusetts Metropolitan Statistical Area which encompasses Berkshire County. Pittsfield’s population was 43,927 at the 2020 census. Although its population has declined in recent decades, Pittsfield remains the third-largest municipality in Western Massachusetts, behind only Springfield and Chicopee.

In 2017, the Arts Vibrancy Index compiled by the National Center for Arts Research ranked Pittsfield and Berkshire County as the number-one medium-sized community in the nation for the arts.

New England English is, collectively, the various distinct dialects and varieties of American English originating in the New England area. Most of eastern and central New England once spoke the "Yankee dialect", some of whose accent features still remain in Eastern New England today, such as "R-dropping" (though this and other features are now receding among younger speakers). Accordingly, one linguistic division of New England is into Eastern versus Western New England English, as defined in the 1939 Linguistic Atlas of New England and the 2006 Atlas of North American English (ANAE). The ANAE further argues for a division between Northern versus Southern New England English, especially on the basis of the cot–caught merger and /ɑr/ fronting (applying twice, for example, in the phrase Park the car). The ANAE also categorizes the strongest differentiated New England accents into four combinations of the above dichotomies, simply defined as follows:

• Northeastern New England English shows non-rhoticity, the cot–caught merger, and strong /ɑr/ fronting. It centers on Boston, Massachusetts, extending into New Hampshire and coastal Maine.
• Southeastern New England English shows non-rhoticity, no cot–caught merger, and no strong /ɑr/ fronting. It centers on Providence, Rhode Island and the Narragansett Bay.
• Northwestern New England English shows rhoticity, the cot–caught merger, and strong /ɑr/ fronting. It centers on Vermont.
• Southwestern New England English shows rhoticity, no (or a transitional state of the) cot–caught merger, and no strong /ɑr/ fronting. It centers around the Hartford–Springfield area of Connecticut and western Massachusetts.

The Springfield metropolitan area, also known as Greater Springfield, is a region that is socio-economically and culturally tied to the City of Springfield, Massachusetts. The U.S. Office of Management and Budget defines the Springfield, MA Metropolitan Statistical Area (MSA) as consisting of three counties in Western Massachusetts. As of 2023, the metropolitan area's population was estimated at 460,291, making it the 117th-largest metropolitan area in the United States.

Historically, the census has also identified the region as "Springfield–Holyoke, Mass.–Conn." as those cities were the area's population centers as recently as 1980; since that time the population has become further distributed, including new growth in Amherst, Westfield, and West Springfield, and Northern Connecticut. Greater Springfield is one of two combined statistical areas in Massachusetts; the other is Greater Boston.

The Springfield Armory, more formally known as the United States Armory and Arsenal at Springfield located in the city of Springfield, Massachusetts, was the primary center for the manufacture of United States military firearms from 1777 until its closing in 1968. It was the first federal armory and one of the first factories in the United States dedicated to the manufacture of weapons. The site is preserved as the Springfield Armory National Historic Site, Western Massachusetts' only unit of the national park system. It features the world's largest collection of historic American firearms.

Famous first as the United States' primary arsenal during the American Revolutionary War, and then as the scene of a confrontation during Shays' Rebellion, the Springfield Armory in the 19th and 20th centuries became the site of numerous technological innovations of global importance, including interchangeable parts, the assembly line style of mass production, and modern business practices, such as hourly wages. The facility would play a decisive role in the American Civil War, producing most of the weaponry used by Union troops which, in sum, outpaced Confederate firearm production by a ratio of 32 to 1. American historian Merritt Roe Smith has posited that advancements in machine manufacturing which allowed the facility to increase production capacity by more than 25 fold, from 9,601 rifles in 1860 to 276,200 in 1864, served as a precursor to the mass production of the Second Industrial Revolution and 20th century assembly line production. The numerous firearm models produced at the Springfield Armory from 1794 to 1968 are referred to as "Springfield muskets and rifles".

Mount Holyoke College is a private women's liberal arts college in South Hadley, Massachusetts, United States. It is the oldest member of the historic Seven Sisters colleges, a group of historically women’s colleges in the Northeastern United States. The college was founded in 1837 as the Mount Holyoke Female Seminary by Mary Lyon, a pioneer in education for women. Mount Holyoke is part of the Five College Consortium in Western Massachusetts.

Undergraduate admissions are restricted to female, transgender, and nonbinary students. In 2014, it became the first member of the Seven Sisters (not counting the coeducational Vassar College) to introduce an admissions policy that was inclusive of transgender students. Graduate programs are open to applicants regardless of gender.