1612–Galileo Galilei was the first astronomer to observe the planetNeptune when it was in conjunction with Jupiter, yet there is dispute as to whether he mistakenly catalogued it as a fixed star because of its extremely slow motion along the ecliptic at that time. Neptune was not officially discovered until 1846, about 234 years after Galileo first sighted it with his telescope.
1895– The Lumiere brothers have their first paying audience at the Grand Cafe in Boulevard des Capucines—this date is commonly considered the debut of the cinema.