Slovenia is one of two countries to do so and has voted in favor of same-sex adoption. If the vote is carried, Poland, the birthplace of Polish culture, will become the first other EU country to allow same-sex marriage. As gay, bisexual and transgender people move into more and more cities across the EU, their acceptance is set to grow. Gay Rights Day is expected to focus on gay rights in the UK in July 2012. Want news about Europe delivered to your inbox? Subscribe to MarketWatch's free Europe Daily newsletter.