The funny thing is, it actually is his birthday too 8D http://25.media.tumblr.com/tumblr_m6m1qe2SHj1rytin7o1_1280.jpg khv why u no let me post images? It's a little hard to tell, but check the date on the upper right hand side.
So I didn't just make up that fact in my head. I had good reasons to be drawing Steve Rodgers then today. Aha. Ahahaha. HUrrah.