Miracle Milly (December 2011 – 2020) was the world's smallest dog by height, according to the Guinness Book of World Records.
She was born in December 2011, and weighs approximately 1 pound (half a kilogram).
[1] On February 21, 2013, her height was measured, placing her at 9.65 cm (3.8 in).
[1][2] Miracle Milly is owned by Vanesa Semler from Dorado, Puerto Rico.
[4] Milly died in 2020; the owners sued the vet in July 2020.