15 July 2016 Last updated at 07:23 BST
The British astronaut made history when he floated into the International Space Station.
He spent six months living and working onboard the ISS, doing important experiments and learning how to wash and eat in space.
But what were his favourite bits, and what is life like now he's back on Earth?
Major Tim Peake has been back on Earth for three weeks now, but what's it really like to live in space?