Queen Elizabeth owned more than 100 horses at the time of her death. Take a look at her lifelong passion for thoroughbreds.

A 13-year-old Princess Elizabeth with a pony in Windsor Great Park, Berkshire, on April 21, 1939.Central Press/Getty Images

• Queen Elizabeth II reigned the Commonwealth for 70 years, but her love for horses lasted longer.
• She began riding horses at age 3 and continued to do so until her death at 96.

Next to her adoration for corgis, Queen Elizabeth II arguably had an even larger love for well-bred equestrians.

The Queen died on Thursday at 96, marking an end to the longest-ruling monarch in history. But spanning longer than her seven-decade reign was her passion for horses.

Her Majesty began riding horses at 3 years old, when she was then Princess Elizabeth II, and continued to do so in the last year of her life, even against initial instructions from her health advisors, according to The Sun.

Here's a look at her lifelong long passion for horses.