Founded as a loose confederation of states in 1945, the Arab League has struggled to overcome dysfunction and disunity among its members.

A growing number of countries are legalizing same-sex marriage amid a steady advance in rights for LGBTQ+ people, but opposition remains strong in many others.

Since its founding in 1944, the World Bank has evolved from a lender focused on European reconstruction to the preeminent international institution for economic development and poverty reduction.

U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.