Stamina was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Thoroughbred racehorse that was the historical top 2-year-old and 3-year-old filly

Filly

A filly is a young female horse too young to be called a mare. There are several specific definitions in use.*In most cases filly is a female horse under the age of four years old....

 in the United States in 1907 and 1908, respectively.

Pedigree

Stamina was foaled in 1905 and was sired by the 1901 champion 2-year-old colt, Nasturtium

Nasturtium (horse)

Nasturtium was an American Thoroughbred racehorse that was the top two-year-old colt of 1901. He was a contender for the 1902 Epsom Derby, but did not run in the race due to illness.-Pedigree:...

, out of the 1901 co-champion 2-year-old mare, Endurance by Right

Endurance by Right

Endurance by Right was an American Thoroughbred racehorse that was the top money-winning two-year old filly of 1901.-Pedigree:Endurance by Right was sired by Inspector B, the 1886 Belmont Stakes winner, out of the imported British mare Early Morn. Early Morn was bought by Milton Young, owner of...

. Nasturtium was sired by Watercress out of the mare Margerique. Margerique was sired by the imported British stallion Order out of the Algerine

Algerine (horse)

Algerine was an American Thoroughbred racehorse that won the 1876 Belmont Stakes and was the maternal grandsire of Rhoda B, the dam of the 1907 Epsom Derby winner Orby.-Pedigree:...

-bred mare Margerine. Endurance by Right was sired by the 1886 Belmont Stakes

Belmont Stakes

The Belmont Stakes is an American Grade I stakes Thoroughbred horse race held every June at Belmont Park in Elmont, New York. It is a 1.5-mile horse race, open to three year old Thoroughbreds. Colts and geldings carry a weight of 126 pounds ; fillies carry 121 pounds...

 winner Inspector B out of the mare Early Morn. She was never beaten in a race by females and her only major stakes loss was to Nasturtium in the Flatbush Stakes in 1901. Both of Stamina's parents did not race successfully as 3-year-olds due to illness.

Offspring

Stamina was retired to Whitney's Brookdale Stud and produced eleven foals. Her complete list of offspring includes:

• Black filly by Hamburg
  Hamburg (horse)
  Hamburg was an American Thoroughbred race horse bred in Kentucky by James E. Kittson, brother to Norman W. Kittson who had been partners in Erdenheim Stud. His sire was the great Hanover by another great, Hindoo....
  
   (1911)
• Courage, filly by Hamburg (1912)
• Barren in 1913
• Bay colt by Hamburg (1914, died in 1915)
• Solomon, colt by All Gold (1915, later exported to Cuba
  Cuba
  The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...
  
   as a stallion)
• Slipped foal in 1916
• Querca, filly by Broomstick
  Broomstick (horse)
  Broomstick was a Thoroughbred race horse born and bred at the famous McGrathiana Stud in Kentucky, but more importantly, he was one of the great sires of American racing. Out of another great sire, the Hall of Famer Ben Brush, Broomstick went on after his racing career to produce champion after...
  
  (1917)
• Husky, gelding (1921, died 1927)
• Backbone, gelding (1922)
• Barren in 1923
• Delivered dead foal in 1924
• Barren in 1925
• The Blonde, filly by Mad Hatter (1926)
• Raddyio, filly by Wildair (1927)
• Untamed, filly by Wildair (1928)
• Barren in 1929
• Barren in 1930

Stamina died in 1930.