I think it's Dia de Los Reyes
Answer:
The answer is stated below.
Explanation:
Europe's population grew considerably during the mid-eighth century as technological and agricultural advances enabled trade to flourish and the climate change of the Medieval Warm Period enabled crop yields to increase. Also contributing to population growth was the custom of bringing new lands into cultivation by providing rewards to the peasant farmers who settled them.
It brought about a redistribution of wealth and brought a new class of European<span> to the fore front.</span>