One:_The_World
One: The World
2018 concert tour by Wanna One
One: The World is the only concert tour headlined by South Korean boy band Wanna One, a project group created through the 2017 Mnet survival show, Produce 101 to promote their second extended play, 0+1=1 (I Promise You) and their special album, 1÷x=1 (Undivided). The tour began on June 1, 2018 in South Korea and concluded on September 1, 2018 in the Philippines. They visited 14 countries including Singapore, Malaysia, Thailand, Indonesia, Hong Kong, Taiwan, Japan, Australia and the United States.[1]