International Museum Day (IMD) is an international day held annually on or around 18 May, coordinated by the International Council of Museums (ICOM). The event highlights a specific theme which changes every year to reflect the basis of the international museum community's preoccupations. The IMD provides the opportunity for museum professionals to meet the public and alert them as to the challenges that museums face. Indeed, following the definition of museums provided by ICOM, a museum is a non-profit, permanent institution in the service of society and its development, open to the public, which acquires, conserves, researches, communicates and exhibits the tangible and intangible heritage of humanity and its environment for the purposes of education, study and enjoyment. International Museum Day therefore serves as a platform to raise public awareness on the role museums play in the development of society today, on an international level.