Let me say this once again. Hamburger has nothing to do with Ham. It has ground beef in it. Unless of course it is McDonalds in India, in which case it probably has a batata vada between the bun and is slathered in hari chutney (which is not me, by the way. It refers to the green of Mint).
Hamburger originated in Hamburg, Germany. Seems the Prussians used to have something called the Hamburg Steak, which was shredded beef rolled in spices and eaten raw. A few generations later, it appeared in a more evolved form inside a bun in America. And the rest is history.
The best hamburger chain in the world now is Burger King – atleast I think so, by the taste of their stuff. I am seriously hoping they never set up an outlet in India – for the inexorable logic of 1.1 billion of us will inevitably lead to chutney et al. I could weep.