I know what you mean.

Last night, in a locally (North Carolina) produced PBS show they had a historian talk about the Wright brothers and the Outer Banks. One of the photographs he discussed was one that was taken in 1902 showing the [link|http://www.grc.nasa.gov/WWW/Wright/airplane/air1902.html|1902 glider] with a lowered right wing. It was at that point that the Wrights understood controlled flight. Of course at that time they were actually deforming the wings shape as one of the control surfaces. On getting back to Dayton, Ohio, they applied for the relevant patents. The actual powered part of flight they considered a straight forward next step. So, in a sense, the celebrations are a year late.