[8] Samuel Damian's name appears as far back as 1748, when he placed an advertisement in the South Carolina Gazette announcing the electrical demonstrations he planned to give and inviting the public to attend.

[9][10] There were several Romanians who became officers in the Union Army during the American Civil War, including Brevet Brigadier General George Pomutz, commander of the 15th Iowa Infantry Regiment, Captain Nicolae Dunca, who fought and died in the Battle of Cross Keys, and Captain Eugen Ghica-Comănești, of the 5th New York Volunteer Infantry.

[11] The majority of these immigrants particularly those from Transylvania and Banat that were under Austro-Hungarian rule left their native regions because of economic depression and forced assimilation, a policy practiced by Hungarian rulers.

[12] They settled mostly in the industrial centers in Pennsylvania and Delaware as well as in areas around the Great Lakes such as Cleveland, Chicago, and Detroit.

[14] Romanian Americans are distributed throughout the U.S., with concentrations found in the Midwest, such as in the states of Michigan, Ohio, and Illinois; the Northeast, in New York, Pennsylvania and Delaware, as well as California (Los Angeles and Sacramento).

[15] The states with the largest estimated Romanian American populations are:[16] According to estimates from the American Community Survey for 2017-2021, there were 166,700 Romanian immigrants nationally,[7] the top counties of which were: Romanian-born population in the U.S. since 2010:[17] The United States established diplomatic relations with Romania in 1880, following Romania's independence.

In December 2005, Secretary Rice visited Bucharest to meet with President Băsescu and to sign a bilateral defense cooperation agreement that would allow for the joint use of Romanian military facilities by U.S. troops.

The Chamber is composed of both Romanian and American businesses and has active chapters in New York, Washington, D.C., Florida, California and the Mid-West.