How days got its name

Sunday -> Sun's day

Monday -> Moon's day

Tuesday -> Tiu's day

(Mars, The Roman god of war, was adopted in Scandinavian mythology as the warrior Tiu or Tiw)

Wednesday -> Wooden's day

( The Roman god Mercury became the Scandinavian god Wooden)

Thursday -> Thor's day

(Like the Roman god Jupiter, Thor was a Thundergod)

Friday -> Freyja's day

(Like Venus, Freyja or  Frigg was the goddess of love)

Saturday -> Saturn's day

Some of the name we know today came from the names of Scandinavian gods