Student or Learner
I want to say that 'green color once used in the wedding gowns' , can the following sentence in bold correct?! and I wan to use the 'used to' verb.
"The color green also represents good luck, health, tranquility. This color has long been a symbol for fertility and that's why it once used to use in the wedding gowns mostly in 15th century. This color is often used in decorating to show the calmness."
"That's why it was once used in wedding gowns, mostly in the 15th century."