What has the EU done to promote a common culture?

To promote common culture European Union (EU) has formed specific intiatives such as 'European Year of Cultural Heritage', 'Creative Europe', etc.

Explanation:

European Union is a body of political and economical union of 27 members in Europe. This body works to maintain peace and economy in the nation.

EU has worked in the area of culture also to promote the common or shared culture. It has formed several  initiatives such as 'European Year of Cultural Heritage.' This program is aimed to bring the colors of different culture of Europe at all levels.

EU also promotes common culture by funding various programs such as 'Creative Europe', 'Media Programme', etc. It also promotes shared culture through the policy various awards such as Aristeion Prize, Lux Prize, etc.