The international relevance of lesbian, gay, bisexual and transgender (LGBT) issues was confirmed numerous ways in 2013.
These incredible videos -- all of which swept Twitter, Facebook and a number of other social media sites over the past year -- represent the LGBT community's political concerns as well as its often wicked sense of humor. From the poignancy of "All-American Boy," which introduced Chicago-based singer-songwriter Steve Grand to the world as "the first gay country singer," to the internationally-renowned video of a group of youngsters reacting to gay marriage, each of these clips were certainly topical. And let's not forget the barrage of same-sex marriage proposals (set in Central Park, Home Depot and onstage at a Garbage concert), that stunning Bar Mitzvah equality plea and, of course, Tom Daley's surprise revelation.
Take a look at HuffPost Gay Voices' picks for the 15 best gay viral videos this year: