Holy Trinity Roman Catholic Church (Hartford, Connecticut)

The Buckingham Square District of Hartford, Connecticut encompasses a mixed residential and commercial neighborhood area just south of the city's downtown. It is centered around Buckingham Square, laid out in 1830 on the site of an early colonial-era church. The district includes a concentration of well-preserved Victorian architecture from the 1860s to 1890s. It was listed on the National Register of Historic Places in 1977, and slightly enlarged in 1982.

The Buckingham Square Historic District is a historic district in Hartford, Connecticut. It was listed on the National Register of Historic Places in 1977 with an area of 8 acres (3.2 ha) and included 60 contributing buildings. The district is located in the area around Buckingham Square Park. The district boundaries were increased in 1982 to add one more contributing building on an 0.9 acres (0.36 ha) area. The added building was designed by George Zunner and was built in 1907.

The Mansuy and Smith Automobile Showroom Building is a historic commercial building at 38-42 Elm Street in Hartford, Connecticut. Built about 1900, it is an early example of an automobile showroom, used by a local carriage manufacturer seeking to transition to the new technology. It was listed on the National Register of Historic Places in 2016.

The Stone Bridge is a historic bridge in Hartford, Connecticut, carrying Main Street across the Whitehead Highway just south of the city's downtown. Built in 1833 across the Park River, it was the largest stone bridge in the United States at its completion. It was listed on the National Register of Historic Places in 1985.

The Hartford Public Library serves the city of Hartford, Connecticut, United States. The library's main branch is located at 500 Main Street in downtown Hartford. The nine branch locations are named Albany, Barbour, Blue Hills, Camp Field, Dwight, Goodwin, Mark Twain, Park and Ropkins. All branches feature free public access computers and free Wi-Fi.

Temple Beth Israel is a historic Jewish synagogue building at 21 Charter Oak Avenue in Hartford, Connecticut. Built in 1875-76, it is the oldest purpose-built synagogue building in the state. The building was listed on the National Register of Historic Places in 1978. After being rescued from threatened demolition, it now houses a local cultural center. The congregation, established in 1843, is now located at a synagogue in West Hartford.

The South Green Fire Station, also known as the Engine Company 1 Fire Station, is at 197 Main St. in downtown Hartford, Connecticut. Built in 1927, it is an architecturally distinctive example of Classical and Collegiate Gothic Revival architecture, designed by a prominent local firm. The station, as well as the former fire equipment maintenance house behind it at 36 John Street, were listed on the National Register of Historic Places in 1989. The station presently houses Engine Company 1 and Ladder Company 6 of the Hartford Fire Department.

Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since the 2010 United States census have indicated that Hartford is the fourth-largest city in Connecticut with a 2020 population of 121,054, behind the coastal cities of Bridgeport, New Haven, and Stamford.Hartford was founded in 1635 and is among the oldest cities in the United States. It is home to the country's oldest public art museum (Wadsworth Atheneum), the oldest publicly funded park (Bushnell Park), the oldest continuously published newspaper (the Hartford Courant), and the second-oldest secondary school (Hartford Public High School). It is also home to the Mark Twain House, where the author wrote his most famous works and raised his family, among other historically significant sites. Mark Twain wrote in 1868, "Of all the beautiful towns it has been my fortune to see this is the chief."Hartford has been the sole capital of Connecticut since 1875. Before then, New Haven and Hartford alternated as dual capitals, as part of the agreement by which the Colony of New Haven was absorbed into the Colony of Connecticut in 1664.Hartford was the richest city in the United States for several decades following the American Civil War. Since 2015, it has been one of the poorest cities in the U.S., with 3 out of every 10 families living below the poverty threshold. In sharp contrast, the Greater Hartford metropolitan statistical area was ranked 32nd of 318 metropolitan areas in total economic production and 8th out of 280 metropolitan statistical areas in per capita income in 2015.Nicknamed the "Insurance Capital of the World", the city holds high sufficiency as a global city, as home to the headquarters of many insurance companies, the region's major industry. Other prominent industries include the services, education and healthcare industries. Hartford coordinates certain Hartford-Springfield regional development matters through the Knowledge Corridor Economic Partnership.

The Hyde-St. John House is a historic house at 25 Charter Oak Avenue in Hartford, Connecticut. Built in 1858, it is one of the city's least-altered examples of Italianate architecture, and it was home to prominent local attorney and city mayor William Waldo Hyde. It was listed on the National Register of Historic Places in 1977, and is presently in commercial use.

The Amos Bull House is a historic house at 59 South Prospect Street in Hartford, Connecticut. Built about 1788, it is one of only a few surviving 18th-century buildings in the city. It was listed on the National Register of Historic Places in 1968. It presently houses the main offices of Connecticut Landmarks, a historic preservation organization.

The parish of St. John's Episcopal Church, Hartford, Connecticut, was formed in 1841. Its first building, designed by Henry Austin (architect), was constructed on Main Street just south of the Wadsworth Atheneum in 1842. The parish left Hartford in 1907 and is now St. John's Episcopal Church (West Hartford, Connecticut).

The Charter Oak was an enormous white oak tree growing on Wyllys Hyll in Hartford, Connecticut in the United States, from around the 12th or 13th century until it fell during a storm in 1856. According to tradition, Connecticut's Royal Charter of 1662 was hidden within the tree's hollow to thwart its confiscation by the English governor-general. The oak symbolized American independence and was commemorated on the Connecticut State Quarter. In 1935, Connecticut's tercentennial, it was also depicted on both a commemorative half dollar and a postage stamp.