We have one party, the Democrats, divided into a right wing and a left wing.
But making the party as right wing as it is was a big and long-term job, too, and someone did it.
Oh, we know he's just pandering, he's not really that right wing.
1570s of armies; from 1882 in football; 1905 in the political sense (cf. left wing). Right-winger attested by 1919 in U.S. politics, 1895 in sports.