P3R-272 is a planet in the Milky Way galaxy which holds a Stargate, and that was once colonized by the Ancients. The Stargate was located in a room with no doors, windows, or obvious power sources. All that was visible was a small circular inscription on the floor:

"Nou ani Anquietas. Hic qua videum".

After Colonel Jack O'Neill stepped over the inscription, a device appeared on a wall, which then downloaded something into O'Neill's brain. O'Neill was soon able to translate the inscription:

"We are the Ancients. This is the place of our legacy"

It was soon learned that the device had downloaded the entire knowledge of the Ancients into his brain, a situation which massively shortened his life expectancy at that point.  (SG1: "The Fifth Race")

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