a) 2005
b) 2017
c) 2009
d) None of these
United Nations(UN) World Humanitarian Day (WHD) is annually observed on 19th August to pay tribute to honour all humanitarian workers and United Nations and associated personnel who dedicated their lives to help the people in extreme circumstances around the world and lost their lives in the cause of duty. The First WHD was observed on 19th August 2009. The 19th August 2020 marks the 11th World Humanitarian Day. The date 19th August was chosen in memory of the 19th August 2003 bombing in Canal Hotel, Baghdad, Iraq which killed 22 people including Sergio Vieira de Mello, Chief Humanitarian in Iraq.