Passage: Born in Los Angeles, Kasparian is the daughter of Armenian immigrant parents. Her great grandparents on her father's side experienced first hand the Armenian genocide in 1915. She was raised in the Reseda neighborhood of Los Angeles. She grew up speaking Armenian as her first language and started kindergarten without being able to speak a word of English. She has said watching Sesame Street as a child is what helped her to learn English quickly. She danced ballet from the age of 3 to the age of 19 and performed ballet professionally throughout those years. Kasparian graduated from Valley Alternative Magnet High School of Van Nuys in 2004 and California State University, Northridge (CSUN) in 2007 with a Bachelor of Arts, Journalism (BAJ). She completed her Master of Political Science in 2010.In late 2015, Kasparian married Minor League Baseball player, model, and actor Christian Lopez. After having eloped, they then had a public wedding in September 2016 which fellow co-host of The Young Turks, Cenk Uygur, officiated.

Question: What did Kasparian's great grandparents experience first hand in Armenia in 1915?
Armenian genocide