jun 28, 1901 - 1900: They create their first full size glider that tests their control system but also shows flaws in the existing aerodynamic data. 1901: A larger glider doesn't do to well though, leading to frustration and Wilbur famously saying, "Not within a thousand years would man ever fly!"
Added to timeline:
Date:
jun 28, 1901
Now
~ 124 years ago