[3] Thorold, located on the brow of the Niagara Escarpment, soon became dominant and was incorporated as a village in 1850.

[6] Thorold is also the location of the War of 1812 battle site, Beaverdams, where, on June 25, 1813, Colonel Charles Boerstler and his American troops were defeated by the British regulars and Caughnawaga Mohawks.

[7] The 2021 Canadian census identified Thorold as the eighth-fastest growing municipality in Canada.

[13] The Canal Bank Shuffle is an annual musical festival that takes place in Thorold.

[14] In July 2024, downtown Thorold was used as a filming location for the eighteenth season of Murdoch Mysteries.

[16] Thorold was chosen due to its proximity to other filming locations and the lack of "contamination" in historical buildings.

[19] The Short Hills Provincial Park is also partially located in the City of Thorold.

[34] Thorold, along with other municipalities in the Niagara Region, hosted events for the 2022 Canada Summer Games.

[36] In 2023, it was determined by a municipal lawyer that the city of Thorold did not own the arena and was instead one of three co-tenants leasing it from Brock University.

[38] The city used the 4.6 million dollars in funding to start building an affordable housing complex for seniors.