What is the name of Michael Jackson's concert tour which took place between September 1987 and January 1989?

Explanation

"Bad" was the first concert tour by American recording artist Michael Jackson. It was launched in support of his seventh studio album of the same name (1987). The tour was sponsored by Pepsi and spanned 16 months. It included 123 concerts given to 4.4 million fans across 15 countries.