First originated in England in 1831 and sold in the US and Canada later.
"A.1. Sauce (formerly A.1. Steak Sauce) in the United States is a brand of brown sauce produced by Brand & co in the United Kingdom and in North America by Kraft Heinz. Sold from 1831 as a condiment for meat or game dishes in the United Kingdom, the makers introduced the product to Canada, and later to the US where it was marketed as a steak sauce. A.1. sauce is still produced in England and exported to Asia."