Much has transpired in the 13 long years since Congress authorized the Martin Luther King, Jr. National Memorial for our nation’s capital. Now, nearly three years since the groundbreaking, a construction permit has finally been issued. Completion is slated for 2011.

The establishment of Martin Luther King, Jr. National Historic Site on October 10, 1980, did more than just preserve the martyred civil rights leader’s birth home and church. It provided further impetus for the preservation of historic Sweet Auburn, one of the most important black neighborhoods in America.

There are lots of interesting historic houses in our national parks, and if you know a thing or two about them you’ll do just fine on this week’s quiz. Answers are at the end. If we catch you peeking, we’ll make you wash windows.