Understanding Indonesia As It is

Do you know when Indonesia Exist? We proclaimed our Independence in August 17, 1945 and starting legally as an Indonesia Nation. Dutch only recognised Indonesia as a country in 1949. Before the proclamation, we consisted of various nations, such as the Javanese, the Sundanese, the Manado Nation, etc. which later, after the proclamation, these nations became ethnics.

In My video explains who is exactly Indonesian?