The first show was played in support for Boarding for Breast Cancer . The duration of the leg was three months and it included 21 shows across the United States , Asia , Australia and Europe . This leg was a compact world tour in support of the album . Mike wrote on internet as tour diary as , As the band played around with their touring schedule in September 2001 , originally they were to take a break after Ozzfest and then kick off an eleven show headlining tour of Europe in September . This show in Stockholm was the first show of the tour . Stockholm and Frederiksberg were cancelled just before the tour began for an unknown reason . The first three shows were cancelled due to various reasons . The reason for cancelling the second show was given as " Because of the " restructuring " of their U.S. tour has Linkin Park decided to cancel their concert in KB Hallen 9 September . Since there is no immediate prospect of a replacement concert , the tickets will be refunded where they were purchased until 15 October . " The third show was cancelled due to the September 11 attacks . Addressing to the fans Mike said , The final leg of their tour took place after the band participated on the Family Values Tour , as a warm-up leg before the inaugural Projekt Revolution festival tour in early 2002
September 11 attacks
September 11 attacks
Hybrid Theory World Tour