1904 - The first Standard Schnauzer registered by AKC

1924 - The first Miniature Schnauzers were imported from Germany by Marie Slattery (Marienhof Kennel).

1925 - The Wirehaired Pinscher Club of America was founded in 1925 for both Miniature and Standard Schnauzers which were considered the same breed.

Karen of Marienhof II

1926 - The breed was moved to the Terrier group and renamed Schnauzer.

1927 - The breed was split into 2 varieties, the Miniature and Standard.

1931 - Reclassified to a single breed.

1933 - Separated into two breeds. The AKC mandated that a breed club could only represent one breed and the Schnauzer Club of America split into the Standard Schnauzer Club of America and the American Miniature Schnauzer Club. Both breeds competed in the Terrier group.

1945 - Standard Schnauzer moved to the Working group.