Armenians of Philadelphia welcome Pope Francis to the US with special digital billboards to thank the Pontiff for his recognition of the Armenian Genocide.

“Thank you Pope Francis for Recognizing Armenian Genocide. #NeverForget 2015” the posters read.

Pope Francis has begun his tour of the US, where he is expected to greet millions of American Catholics and address thorny issues like climate change and income inequality.

US President Barack Obama welcomed the Pope as he landed on Tuesday – a rare honor for a foreign dignitary.

The Pontiff will visit Washington DC, New York and Philadelphia.

Today Pope Francis will pray with U.S. Catholic Bishops at the Cathedral of St. Matthew the Apostle.

His Holiness, Pope Francis  during a Mass at St. Peter’s Basilica.