This document provides a history of the LGBT movement and acronym from the early 1900s to present day. It discusses how the acronym has evolved over time to include more identities. The chronology then outlines key events and milestones for LGBT rights and social acceptance from the early 20th century repression and criminalization to recent decades of increased legal protections and recognition of LGBT individuals. Major artists like Lady Gaga, Katy Perry, Jessie J, Justin Bieber, and Miley Cyrus are also mentioned.