The Taliban surged back to power two decades after U.S.-led forces toppled their regime in what led to the United States’ longest war.

The events of September 11, 2001, set in motion sweeping changes to U.S. intelligence and counterterrorism practices, launched two major wars, and altered Americans’ daily routines. This timeline tra…

The financial meltdown that started with the bursting of the U.S. housing bubble had worldwide economic repercussions, including recessions, far-reaching regulations, and deep-seated political discontent. Track its buildup and aftermath.

Since the creation of the European Union in 1992 and the subsequent launch of the euro, Greece’s economic relationship with the rest of Europe has been a turbulent one. Greece’s chronic fiscal mismanagement and resulting debt crisis has repeatedly threatened the stability of the eurozone.