Revised American Lung Association logo released November 2008. The mark is a variation of the Cross of Lorraine. At one of the first International Tuberculosis Congresses held in Berlin in 1902, the assembled delegates decided that because tuberculosis was so rampant, they should declare literal war on this disease. They agreed on this battle standard after the representative from Lorraine suggested that they should use this symbol, since many victories for the French on ancient battlefields were attributed to carrying this red icon into the fight.