More recently , passports have been issued since 1997 . Before 2001 these were accepted by various nations for international travel , but with increased security concerns across the world since the September 11 attacks , this is no longer the case . In 2010 , the Iroquois Nationals lacrosse team was allowed by the U.S. to travel on their own passports to the 2010 World Lacrosse Championship in England only after the personal intervention of Secretary of State Hillary Clinton . However , the British government refused to recognize the Iroquois passports and denied the team members entry into the United Kingdom
September 11 attacks
September 11 attacks
Iroquois