For ten points, name this organization, binding together 27 states located on the namesake continent.
This organization was reformed by a 2009 treaty, which merged its three pillars into a consolidated legal personality and established its first president, and its newest member, Estonia, entered this organization in January of this year. It was established mainly by the Treaty of Maastricht, which was amended by the aforementioned Treaty of (*) Lisbon, and Turkey has not yet been allowed to join this international body. One part of this organization is headed by Herman Van Rompuy, and a recent two-day summit was held by this organization in Brussels to deal with financial issues in Portugal.  For ten points, name this organization, binding together 27 states located on the namesake continent.
This organization was reformed by a 2009 treaty, which merged its three pillars into a consolidated legal personality and established its first president, and its newest member, Estonia, entered this organization in January of this year.
{E}uropean {U}nion