jan 1, 1845 - William Parsons was the first to properly observe galaxies.
Description:
The first person to actually observe a galaxy was Charles Messier, a French scientist, though at the time he was unaware of what he was actually looking at. He recorded these down, and his classifications are still used today, with M for Messier. (e.g Galaxy M31, the Andromeda galazy)Added to timeline:
Date:
jan 1, 1845
Now
~ 180 years ago