Wisconsin constitution
Article I: declaration of rights
Section 18

The right of every person to worship Almighty God according
to the dictates of conscience shall never be infringed; nor shall
any person be compelled to attend, erect or support any place of
worship, or to maintain any ministry, without consent; nor shall
any control of, or interference with, the rights of conscience be
permitted, or any preference be given by law to any religious
establishments or modes of worship; nor shall any money be
drawn from the treasury for the benefit of religious societies, or
religious or theological seminaries.