because they wanted to get shade from the sun
Depending on time and place, medieval people wore hats because they needed shade from the sun, because they needed protection from cold, rain, or snow, because the hats were fashionable, because the hats protected them from blows to the head, or because hats were symbols of their offices. There were doubtless other reasons.
They generally needed to blend in with the forest so they had masks and hats to make them harder to see
clothes
It would be illogical to assume every person in the entire world wore hats during the 1920's. A lot of people did probably wear hats during this time period, but there are always black sheep.
swag robes and vans
hats
Depending on time and place, medieval people wore hats because they needed shade from the sun, because they needed protection from cold, rain, or snow, because the hats were fashionable, because the hats protected them from blows to the head, or because hats were symbols of their offices. There were doubtless other reasons.
People who want to keep the sun out of their eyes wear hats. People who want the keep their head warm wear hats. People who just want to look cool also wear hats.
They wear normal clothes but some people wear Santa hats Santa clothes or elf's hats
They wear it
People,soldiers,workers,cowboy.etc wear hats.
people are not allowed to wear hats inside the church
Some people
They generally needed to blend in with the forest so they had masks and hats to make them harder to see
People
There are a great many Germans that wear hats. There is no exact percentage or number as people change their preferences.
People wear clothes, hats, and sunscreen to block the sun.