<div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>1970</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Sandra Lee is Born</div><div class='timeline-text'>On December 20, 1970, Sandra Lee was born in the United States.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>1998</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Becomes a Licensed Dermatologist</div><div class='timeline-text'>Sandra Lee became a board-certified dermatologist after completing her medical degree and residency.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>2010</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Opens Her Own Clinic</div><div class='timeline-text'>Dr. Sandra Lee opened her own dermatology clinic in Southern California.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>2010</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Launches YouTube Channel</div><div class='timeline-text'>Dr. Sandra Lee launched her YouTube channel under the name "Dr. Pimple Popper".</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>2015</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>First Viral Video</div><div class='timeline-text'>Dr. Sandra Lee's video of a blackhead extraction went viral, earning her the nickname "Dr. Pimple Popper".</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>2018</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>TV Show Debut</div><div class='timeline-text'>The TV show "Dr. Pimple Popper" premiered on TLC, featuring Dr. Sandra Lee's work.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date'>2020</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Reaches 6 Million Subscribers</div><div class='timeline-text'>Dr. Sandra Lee's YouTube channel reached 6 million subscribers, marking her as a prominent figure in the online medical community.</div></div></div>