1763Military
Following the events of the Seven Years' War, which ended in 1763, Great Britain took control of New France, and the area that is now Illinois became part of the Indian Reserve.
1812Military
=== 19th century ===
After the War of 1812, the American government granted military tracts to veterans as a means to help populate the West.
1818Military
After the American Revolutionary War a few decades later, the area became part of the Northwest Territory of the United States, and eventually the State of Illinois in 1818.
1819Military
Peter Flinn, having acquired the land from veteran Mark McGowan for his military service in 1819, ended up selling 160 acres (0.65 km2) of land acquisitions to Moravia, New York...
1825Government
In 1825, Bluffs renamed their community Quincy and became the seat of government for Adams County, both named after newly elected President John Quincy Adams.
1830History
In December 1830, Peter Felt, who had recently arrived with his family from New Hampshire, and others held the first service at what would become the first congregational church...
1834Government
In June 1834, Quincy was incorporated, with Archibald Williams, Joseph T.
1835Architecture
Richard Eells, who was a staunch abolitionist, built his home in Quincy in 1835 and sheltered formerly enslaved people who had escaped and were on their way to Chicago.
1836Economy
Prinsloo, Oleta, "'The Abolitionist Factory': Northeastern Religion, David Nelson, and the Mission Institute near Quincy, Illinois, 1836–1844," Journal of the Illinois State His...
1837Military
Among the notable German-Americans from Quincy's Southside was Louise Maertz (1837–1918), a nurse during the American Civil War.
1838History
Also in 1838, Quincy sheltered the Potawatomi tribe as they were forcibly relocated from Indiana to Kansas.
1840Government
Quincy incorporated as a city in 1840, with Ebenezer Moore elected as its first mayor.
1850History
It is during this time that the city's population grew enormously, from just under 7,000 residents in 1850 to 24,000 by 1870, helping Quincy surpass Peoria in becoming the secon...
1855Architecture
The founding of the Chicago, Burlington and Quincy Railroad in 1855, and the construction of the Quincy Rail Bridge, were major drivers for creating a transportation hub in the ...
1857Architecture
A central site in the district is the Dick Brothers Brewery Buildings, which were constructed in 1857 and rivaled many larger breweries.
1858History
The divide over slavery climaxed in 1858, when Quincy hosted the sixth Senatorial debate by U.S.
1860Government
In 1860, Quincy founder and Lieutenant Governor John Wood inherited the governorship after William H.
1870History
It was Illinois' second-largest city, surpassing Peoria in 1870.
1886Government
Following the Reconstruction Era, Quincy was selected as the location for Illinois' first Veteran's Home in 1886.
1887Government
The Quincy Area Chamber of Commerce was established in 1887 to promote and enhance the business climate and economic well-being of the Quincy area.
1900History
In 1900, Quincy resident W.
1925Architecture
It was during the early decades of the 20th century that many of the city's historic buildings in the Downtown Quincy Historic District were constructed, including the city's fi...
1928Architecture
In 1928, construction began on the Memorial Bridge which was a two-lane truss toll bridge; it opened in May 1930.
1940Government
== Parks and recreation ==
The Quincy Park District was founded in 1940 when five commissioners were elected to govern the district.
1945History
By 1945, the city had repaid its outstanding bonds and eliminated the toll.
1947Government
It is also a community that deeply admires the arts, as it is home to America's first Arts Council, Quincy Society of Fine Arts, which was founded in 1947 by George M.
1976History
On September 27, 1976, three improvised explosive devices were detonated at the Colt Industries Inc.
1978History
In 1978, Quincy formed the Great River Economic Development Foundation, a private, non-profit organization designed to retain existing businesses and attract new ones to the area.
1986Architecture
Bayview bridge was constructed in 1986, but was not built as a four-lane bridge because of budget cuts, as the cable suspension made it unaffordable to build a four-lane bridge.
1987Architecture
In 1987, the cable-stayed Bayview Bridge was constructed with the intent of alleviating traffic on the aging Memorial Bridge.
1993Disaster
During the Mississippi River flood of 1993, riverside businesses and industries suffered extensive damage when the river crested at a record 32.2 feet (9.81 m), 15 feet (4.6 m) ...
1996History
On November 19, 1996, the United Express Flight 5925 collided on landing at Quincy with another Beechcraft, a private King Air, that was taking off from an intersecting runway.
2006History
As of February 2006, Quincy can receive 17 FM stations, 5 AM stations, and one NOAA Wideband Weather Radio station.
2007History
The market was widely served by Insight Communications through 2007.
2008Disaster
A flood in June 2008 submerged much of Quincy's riverfront and low-lying regions not protected by the bluffs.
2010Infrastructure
The Red Cross accepted donations for Quincy and other communities in Adams County, as natural disaster funds were depleted in 2010.
2015Architecture
Although lighting was originally intended for the Bayview Bridge during its construction phase, the actual installation of lights did not occur until 2015.
2017Culture
Quincy was also named to Expedia's list of America's Most Artistic Towns in 2017 and 2018.
2018Architecture
In 2018, Quincy Community Theatre opened its 81st season.
2020History
=== Climate ===
== Demographics ==
As of the 2020 census there were 39,463 people, 17,226 households, and 9,940 families residing in the city.
2021Military
A city in wartime: Quincy, Illinois and the Civil War (iUniverse, 2021).