In 2013, two Houston taxpayers sued the city for giving same-sex couples legally married in other states the same benefits as straight couples.
German Chancellor Angela Merkel has given the go-ahead to vote according to personal beliefs and not along party lines.
The Constitutional Court ruled current laws mandating marriages can only be between men and women are unconstitutional.
Taiwan's Constitutional Court has ruled in favor of same-sex marriage, making the island the first place in Asia to recognize gay unions.
The bill extends religious exemptions to government employees and members of organizations.
The sponsors say the Supreme Court overstepped the Constitution and the "decree of the Almighty God."
Gorsuch is expected to hit the ground running after being sworn in as a Supreme Court justice.