

An Australian cattle dog whose verified 29-year, 5-month life stands as the longest canine lifespan ever officially recorded.
Bluey was more than a pet; she was a working partner. Born in 1910 in Rochester, Victoria, Australia, she spent nearly two decades herding cattle and sheep for her owners, Les and Rosalie Hall. Her extraordinary longevity—29 years and 5 months—was verified by Guinness World Records in the 1930s, a title that stood unchallenged for decades and, after brief disputes, was reaffirmed as the definitive record. Her life offers a fascinating case study in canine aging, though the exact reasons for her long life remain a subject of curiosity rather than definitive science. Bluey's story endures as a remarkable benchmark in the animal kingdom.
1901–1927
Grew up during the Depression, fought World War II, and built the postwar economic boom. Defined by shared sacrifice, institutional trust, and a belief that hard work and loyalty would be rewarded.
Bluey was born in 1910, placing them squarely in The Greatest Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
The biggest hits of 1910
The world at every milestone
Halley's Comet makes its closest approach
The Lusitania is sunk by a German U-boat
The Great Kanto earthquake devastates Tokyo
Robert Goddard launches the first liquid-fueled rocket
Alexander Fleming discovers penicillin; Mickey Mouse debuts
The Empire State Building opens as the world's tallest
World War II begins; The Wizard of Oz premieres
She was an Australian Cattle Dog, also known as a Blue Heeler.
She worked with livestock for over 20 years before retiring at age 20.
Her record was reinstated by Guinness in 2023 after the evidence for a challenger, Bobi, was revoked.
“The work is the command, and the herd is the answer.”