What is prime minister Neville Chamberlain of Britain is known for?

He is known for giving Adolf Hitler almost everything Hitler wanted and finally having to declare war when Germany invaded Poland in September 1939. He is best known for trying to appease a dictator and looking like a weak, simple minded fool for doing so. The phrase "Peace is our time" is what he said after giving away Czechoslovakia to the Nazis and it did not bring peace to anyone.