A 1 hour speedup for researching is an item in Evony TKR (The King's Return).
The description of 1 Hour Speedup for Researching in Evony TKR says:
Reduces remaining time on a researching timer by 60 minutes.
1 Hour Speedup for Researching is known to potentially be obtainable from opening Lv11 Boss Monster Chest, Lucky Box Ⅳ, Lucky Box Ⅵ and Pile of Speedup. The links for each item are below:
Note: This list may be incomplete.