Rankle #5 answer: year of invention (oldest to newest)

The answer

Rank by year of invention (oldest to newest)

1. 1Printing press~1440
2. 2Steam engine1698
3. 3Telephone1876
4. 4World Wide Web1989

Why this order

Ranked oldest to newest, Printing press (~1440) goes at the top and World Wide Web (1989) at the bottom.

The closest call is Telephone (1876) against World Wide Web (1989), 113 years apart. That is the swap most likely to cost a point.

The biggest gap is between Printing press and Steam engine, 258 years apart, so that boundary should be the easiest part of the order to get right.

These are the figures the game reveals after you submit. They are rounded and the ones marked ~ are typical or estimated values; only the order is scored.

Difficulty: easier, judged by how close the tightest pair is.

How it was scored

right slot, one place out, two or more out. The score is how many items sit in the right slot, and only 4/4 is a win. Full rules on the how to play page.