One World Trade Center in New York City — rebuilt after the September 11, 2001, terror attacks — is to go green on St Patrick’s Day for the first time.

The homes of gladiators and country music are among the landmarks joining the global celebrations for St Patrick’s Day this year.

US PRESIDENT Barack Obama told supporters in his hometown of Chicago that he needed their help to “finish the job” as he kicked off a massive fundraising campaign for his 2012 re-election bid.