August 19 is World Humanitarian Day, which is dedicated to recognizing humanitarian workers in conflict zones and to commemorating those who have died working for humanitarian causes. World Humanitarian Day was established in 2008 in memory of the Canal Hotel bombing in Baghdad on August 19, 2003, which killed several humanitarian aid workers and diplomats, including senior UN official Sérgio Vieira de Mello. This year, World Humanitarian Day follows the 75th anniversary of the signing of the four Geneva Conventions on August 12, 1949. Among other things, the conventions aim to protect the hum…