The World’s Smallest Horse according to Guinness World Records is Thumbelina from Missouri, but another tiny horse named Einstein.

An Iraqi military vehicle passes displaced Iraqi boys returning to their homes in West Mosul's Oreibi neighbourhood after government forces retook control of the area from the Islamic State (IS) group during the ongoing offensive against the jihadists on May 21, 2017. (Photo by Ahmad Al-Rubaye/AFP Photo)

Australia's Georgia Wareham (C) celebrates after the dismissal of Bangladesh's Sobhana Mostary (not seen) during the Group A T20 women's World Cup cricket match between Australia and Bangladesh at St George's Park in Gqeberha on February 14, 2023. (Photo by Marco Longari/AFP Photo)

June 21: “World War Z”. Brad Pitt battles zombie apocalypse in $170 million film by “Quantum of Solace” director Marc Forster. This publicity photo released by Paramount Pictures shows, center, Brad Pitt as Gerald Lane in a scene from the film, “World War Z”, from Paramount Pictures and Skydance Productions in association with Hemisphere Media Capital and GK Films. (Photo by Jaap Buitendijk/AP Photo/Paramount Pictures)

Lindsay Heimbach goes airborne while sledding down a hill on Mt. Lemmon December 27, 2008. (Photo by James Gregg/Arizona Daily Star)

Peter Carberry riding Gabbys Cross falls off during the Randox Grand National Chase during day three of the Randox Grand National Festival at Aintree Racecourse on April 15, 2023 in Liverpool, England. (Photo by Michael Steele/Getty Images)

New York Islanders' Matt Martin (17) and Pittsburgh Penguins' Zach Aston-Reese (12) fight during the second period in Game 2 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Tuesday, May 18, 2021. Both players received a two-minute minor penalty. (Photo by Gene J. Puskar/AP Photo)