Question: What is the black ribbon on google for?
Disambiguated questions and answers: question: What is the black ribbon on Google for in November 25, 2017?
What is the black ribbon on Google for on October 2, 2017?
What is the black ribbon on Google for on September 11, 2017?
answer: victims of the 2017 Sinai mosque attack
victims of the 2017 Las Vegas shooting
Remembering September 11th
Natural Questions answer: political statement
mourning tragedies
POW / MIA remembrance (from the Wikipedia article "Black ribbon")