Thailand on Thursday became the first country in Southeast Asia to hold legal same-sex weddings, with LGBT groups aiming to mark the occasion with more than 1,000 marriage registrations in a single day.

Hundreds of same-sex couples are tying the knot across Thailand on Thursday as the country becomes the first in Southeast Asia to recognize marriage equality.

It was a historic day in Thailand as hundreds of LGBTQ couples became legally married. It’s the first nation in Southeast Asia to guarantee equal marital rights for same-sex couples. Patpicha Tanakasempipat attended the mass marriage registration event.