a) 17th August
b) 20th August
c) 21st August
d) None of these
United Nations(UN)’s International Day of Remembrance and Tribute to the Victims of Terrorism is annually oserved on 21st August to commemorate and pay tribute to the victims and survivors of Terrorism acoss the globe.The first International Day of Remembrance and Tribute to the Victims of Terrorism was observed on 21st August 2018.