The Metropolitan Museum of Art's timeline of art history
metmuseum.org
metmuseum.org
Further, I'd also love to see connections and influences between regions. How did Koran manuscripts influence those of the Bible, and vice versa? How did Chinese ceramic motifs influence those in Persian ceramics? What are the flows of currency in the ancient world?
I've seen exhibits like this. It's somewhat disturbing. I'll leave it to others to discuss, because I don't want to look like I'm defending some controversial ideas.
The UX could be a bit better: The hover states the title and the reference number. For most visitors, the reference number is meaningless. Instead, when filtering by period, the precise period could be shown and when filtering by region (e.g. Africa), the precise region (e.g. Egypt) could be shown.