[Oyk]

Ya. Gautama Buddha was not a vegetarian.
He ate what what was given to him.

His knew his last dish was poison but he still ate them.
Some said the last dish was a dish of mushrooms but other believed, it was wild boar flesh.

Monks started to be vegetarians probably originated from China.

If he ate meat knowing that the animals were mercilessly slaughtered, and entered Nirvana as many claimed, I find that to be a contradiction in terms.