The North West Ordiance primarily aimed to facillitate the creation of future states in the region.
Japan<span>: Japan's Yamato dynasty traces its origins back to 660, making it the oldest continuous hereditary monarchy in the world. The 79-year-old Emperor Akihito has reigned since 1989 and is, according to legend, the 125th emperor in his line, though there's some debate as to the exact count of emperors</span>
To the current date, Uranus is believe to have rings made of Dust.
I think that the oldest department in the executive branch is the United States federal executive departments