“In a separate protest in the northern city of Thessaloniki, protesters burned a U.S. flag. The visit comes only two days before the anniversary of a bloody 1973 student revolt that helped topple the 1967-1974 military junta which was backed by the U.S. government. Obama, who will be succeeded in January by Donald Trump, arrived in Greece on Tuesday on his last foreign tour as president of the United States.”
http://www.reuters.com/article/us-greece-obama-protests-idUSKBN13A2DT