For the Babylonians Apin was also a lunar station:

"On the Euphrates it [δ Aquarii, Scheat] seems to have been associated with Hasiasadra or Xasisadra, the 10th antediluvian king and hero of the Deluge; while, with β, κ, and others adjacent, it was the lunar station Apin, the Channel, and individually the Star of the Foundation.

The corresponding stations, Khat-sar in Persia, Shawahat in Sogdiana, and Mashatwand in Khorasmia, were also determined by this star.

The Chinese knew it, with τ, χ, and the three stars ψ, and some in Pisces, as Yu lin Keun, the Imperial Guard.

From near δ issues a meteor stream, the Delta Aquarids, from the 27th to the 29th of July, and not far away Mayer noted as a fixed star, on the 25th of September, 1756, the object that nearly twenty-five years later Sir William Herschel observed as a comet, but afterwards ascertained to be a new planet, our Uranus." (Allen)

The discovery date was March 13, 1781, according to Wikipedia.

"Though Uranus is visible to the naked eye like the five classical planets, it was never recognized as a planet by ancient observers because of its dimness and slow orbit ...

... Bode argued that just as Saturn was the father of Jupiter, the new planet should be named after the father of Saturn." (Wikipedia)