1995Authorities demolish what was left of the Murrah Federal Building in Oklahoma City, about five weeks after the site was bombed in an attack that killed 168 people. Today, a national memorial sits at the site.2015The Republic of Ireland voted to legalize same-sex marriage, becoming the first country to do so by popular vote. The referendum, passed by more than 62% of voters, called for the amendment of the constitution to allow same-sex marriage 22 years after same-sex sexual activity was decriminalized.