The world was swirling around Thomas Kostura 10 years ago.

Kostura, whose New York marriage had not been recognized when his husband was stationed in Tennessee, was in the middle of the most important U.S. Supreme Court case for gay rights in the country’s history.

“It was basically this hurricane going on around us, and we were kind of in the eye of the storm,” he said. “It was a whirlwind.”

On June 26, 2015, the nation’s highest court legalized marriage equality nationwide, proclaiming that the Constitution grants same-sex couples the right to marry.

Tennessee was at the center of it all.