Today's Act of Randomness

As I was getting out of the cab and dragging myself through the door of my building (after a long two days at the conference), an older man who lives in my building asked me my ethnicity - not normally a question I get very often since I don't have a very unique heritage.  When I replied "What?" (translation: are you kidding me?).  He asked if I was Turkish.  Extermely random!   When I replied, my back already to him, that I was German, he switched to speaking to me in German,  An odd way to end a very long day...