Conversation so far:
When did David Davis get started in politics?
David Davis was first elected to Parliament in the 1987 general election as the MP for Boothferry which, in 1997, became the constituency of Haltemprice and Howden.
Was David Davis popular in this position?
David Davis was a government whip when parliament voted on the Maastricht Treaty in 1992, angering many of the Maastricht Rebels on his own right-wing of the party.

Question: What was notable about his political career?
Self-contained rewrite: What was notable about David Davis political career?