In 1977, there were 7 recorded legal changes made affecting LGBT people. In the previous year, there were 20 changes made and 14 in the following year. A total of 168 legal changes were made in the 1970s.
- November 4
- July 1
- June 9Same-sex marriage becomes unrecognized, same-sex marriage and civil unions banned.They also do not recognize same-sex marriages performed outside of the state.
- June 2Same-sex marriage becomes not legal.Minnesota laws are changed to explicitly outlaw same-sex marriage through adding the words "between one man and a woman".
- April 26LGBT housing discrimination becomes no protections.
- LGBT employment discrimination becomes no protections.
- LGBT discrimination becomes no protections.Homosexuality is illegal hence by default there are no discrimination protection extended to LGBTQ+ community.