Currently, only a few countries formally recognize same-sex couples. The trend started with Denmark's revolutionary acknowledgment of gay and lesbian marriage in 1989, inspiring a wave of legislation for equality in Northern European countries. States that have followed include Norway, Sweden, Iceland, and Finland. Similar trends have been seen in South America; Brazil and Costa Rica have adopted legislation that allows same-sex couples to have some of the benefits associated with heterosexual marriages. Most recently, Canada adopted legislation to grant gay and lesbian couples marriage rights, ...