The Founding of a Republic
建国大业 (original)
Starring Tang Guoqiang, Zhang Guoli, Andy Lau, Donnie Yen, Xu Qing, Jackie Chan, Chen Kun, Jet Li, Vivian Wu, Wang Xueqi
It's a drama and history movie, and has a rating of 4.9 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Italy.