1843 establishments in New York

The American Republican Party was a minor anti-Catholic, anti-immigration, and nativist political organization that was launched in New York in June 1843, largely as a protest against immigrant voters and officeholders.

The Wesleyan Church, also known as the Wesleyan Methodist Church and Wesleyan Holiness Church depending on the region, is a Methodist Christian denomination in the United States, Canada, the United Kingdom, South Africa, Namibia, Sierra Leone, Liberia, Indonesia, and Australia. The church is aligned with the Wesleyan-Holiness movement and has roots in the teachings of John Wesley. It adheres to Wesleyan-Arminian doctrine and is a member of the World Methodist Council.

The Madison Square Fountain, also known as the Southern Fountain, is an ornamental fountain located in Madison Square Park in the Flatiron District of Manhattan, New York. It was the only one of several planned fountains to be realized. The current fountain is a modern reproduction of the original, installed in 1990 and renovated in 2015.

Palmo's Opera House (later Burton's Theater and the Chambers Street Theatre) was a 19th-century theatre in Manhattan, New York, that was located on Chambers Street between Broadway and Centre Street. It was one of the earliest opera houses in New York before it was converted into one of the earliest Broadway theatres. The theatre was conceived by Ferdinand Palmo, an Italian immigrant and successful restaurateur in New York City. It was located inside the former Stoppani's Arcade Baths building. Modest alteration to the building was done in 1843 to convert the building into a theater.

The Knickerbocker News (popularly known as The Knick) of Albany, New York was a daily newspaper published from September 4, 1843, (when it was founded as The Albany Knickerbocker) in the capital city of New York State until April 15, 1988, when it was merged into a co-owned publication.

Middletown was the main station along the Erie Railroad mainline in the city of Middletown, New York. Located on Depot Street, the station was first opened in 1843 with the construction of the New York, Lake Erie and Western Railroad, which had originally terminated at Goshen. The station was located along the New York Division, which stretched from Pavonia Terminal in Jersey City, New Jersey, to the Sparrowbush station just north of Port Jervis.

Stone Arch Bridge is a historic stone arch bridge over the Ausable River at Keeseville in Clinton County and Essex County, New York. It was built in 1843.

H.B. Claflin & Company was a Manhattan-based dry goods business which was incorporated in 1890. The company acted as wholesalers who were middlemen between manufacturers and retailers of dry goods. The corporation became insolvent in June 1914, with a debt of $34,000,000. Judge Learned Hand of the United States District Court in New York appointed receivers for the firm on June 25, 1914. The trade of the wholesaler was negatively affected by the migration of the dry goods industry to uptown Manhattan and a failure to adapt to the changing business landscape.

Wesleyan Methodist Church is a historic Wesleyan church located at Seneca Falls in Seneca County, New York. It was constructed in 1843. All interior features have been removed and three original walls stand.

Ezra T. Phelps Farm Complex is a historic home and farm complex located at Marion in Wayne County, New York. The property includes the farmhouse, a timber framed barn, and brick smokehouse. The farmhouse was built prior to 1843 and is a front gabled Greek Revival structure with side and back wings.