Legal partnerships have been an option for same-sex couples since 2010, but the Constitutional Court ruled that the current laws are discriminatory. Those rights include adoption and support for fertility treatments.
However, the Austrian Constintutional Court have examined and repealed that definition, saying that it was discriminatory against LGBTQ people.
The Austrian Supreme Court yesterday lifted legal restraints that prevented same-sex couples from marrying.More news: Parents horrified by new Facebook messaging app for kids
It added that keeping the two institutions separate suggests that "people with same-sex sexual orientation are not equal to people with heterosexual orientation".
In May 2015, Ireland became the first country to legalise gay marriage by popular vote, with some 62% of the electorate voting in favour of legalisation. A similar law took effect in neighboring Germany in October.
This means that same-sex couples will have to wait until 2019 before they're able to get married. A similar number of other European countries have some sort of same-sex unions or civil partnerships. Both parties are set to form Austria's incoming coalition government.More news: Japanese phenom Shohei Ohtani tells Yankees and Red Sox he'll sign elsewhere
Helmut Graupner, a lawyer for the two women who brought the case, wrote in a Facebook post that "today is a truly historic day".
Nevertheless, our Dumb & Dumber-punchline sister country Austria - that's A-U-S-T-R-I-A - has just seen a landmark court ruling that will see the country gain marriage equality by no later than 2019.
The archbishop of Vienna, Cardinal Christoph Schönborn, told the news portal of the Roman Catholic Church in Austria, Kathpress, that he remained hopeful the ruling would at some point be overturned.More news: 'House of Cards' to resume minus star Kevin Spacey
"I am confident that in the long term, a view to the order of creation, which humans can not disregard without coming to harm, will be established once again", the Roman Catholic leader told Kathpress.