Same-sex couples have been able to legally marry in Iowa for the past six years and today the U.S. Supreme Court ruled same-sex marriages are legal in all 50 states.

“It is a great day. It is a wonderful ruling. It is the fairest ruling to make,” Tammy Steinwandt of Des Moines said moments after the ruling was announced.

In 2009, she married her partner, Melanie Muth.

“When Iowa ruled in favor of (same-sex) marriage, it was like, ‘Oh my gosh,'” Steinwandt said. “…As each state came on, it was like what a great reality…and then today…the emotions are overwhelming. It’s just amazing, absolutely amazing.”

Bob Vander Plaats is president of The Family Leader, a Christian conservative group and he calls today’s ruling a “defining moment” for the country.

“This is going to get every common sense red, white and blue American out of the woodwork to take an active role in their government and to really hold in check a government that’s gone completely out of control,” Vander Plaats said.

Vander Plaats and The Family Leader helped defeat three Iowa Supreme Court Justice who were up for a retention vote in 2010, the year after the justices had joined the 2009 ruling which paved the way for same-sex marriage in Iowa. Same-sex marriage will now be a “huge issue” in the Iowa Caucuses, according to Vander Plaats.

“It’s going to be a defining moment in our country,” Vander Plaats says. “And it’ll be a defining moment in the 2016 election.”

Nine Republican presidential candidates will attend the “Family Leadership Summit” in Ames next month that Vander Plaats’ group is hosting.

Supporters of same-sex marriage plan to rally tonight at the state capitol.