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TIL Australia successfully eradicated the invasive grey squirrel from Adelaide in the early 1900s through a prompt and coordinated effort involving government control and a bounty system

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Y7LD7 TIL octopus have nine brains – one mini-brain in each arm and another in the center of their bodies. Each arm can independently taste, touch and perform basic movements, but all arms can work together when prompted by the central brain.
R79R1 TIL of Seki Takakazu, a mathematician described as "Japan's Newton", who independently discovered many results attributed to his European contemporaries, some of which were rediscovered only centuries later.
0exL TIL violence in Hebrew (‘alimut’=אלימות) comes from the word 'elem’=אלם, which means a person who can’t express his feelings through words.
oRKVA TIL Ferruccio Lamborghini was a successful tractor manufacturer who loved driving his Ferraris. After telling Enzo Ferrari that the cars' clutches need to be improved, he was snubbed and told to stick to tractors. Infuriated, this started their legendary rivalry.
VBZ0m TIL the Sasanid Persians and the Eastern Romans signed a treaty called the Treaty of Eternal Peace in 532 CE, which concluded the Iberian War (527–531) between the two powers over what is now Georgia. It only lasted 8 years, until 540