This chart by Disney's New Groove is pretty spot-on throughout, except for one pretty major exception. Can you spot it?

 

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Notice it? It's Aladdin.

Aladdin does not take place in the 800s - it takes place sometime in the distant future. The way we know is Genie's references - Jack Nicholson, Disney World, Ed Sullivan, etc. The only way he would be making references to these people and doing impressions is if they existed in the past. Does it occur as far into the future as Treasure Planet? Probably not, but ya never know...