To raise awareness about the role medical physicists play for benefit of patients, the International Organization for Medical Physics (IOMP) organizes annually the International Day of Medical Physics (IDMP) on November 7, an important date in the history of medical physics. On that day in 1867, Marie Sklodowska-Curie, known for her pioneering research on radioactivity, was born in Poland. We celebrate the 6th IDMP on November 7, 2018. The theme of IDMP 2018 is 'Medical Physics for Patient Benefit'. Your support and active participation is greatly appreciated! There are three posters available to participate in the celebration located at: http://www.iomp.org/idmp/