New Delhi, Dec. 27 -- After the crystal ball drops on New Year's Eve in New York City, it will rise again, sparkling in red, white and blue to usher in 2026 and kick off months of celebrations for the nation's upcoming 250th birthday.

The patriotic touches at this year's Times Square gathering, including a second confetti drop, will offer an early glimpse of what's ahead: hundreds of events and programs, big and small, planned nationwide to mark the signing of the Declaration of Independence in 1776.

"I'm telling you right now, whatever you're imagining, it's going to be much more than that," said America250 Chair Rosie Rios, who oversees the bipartisan commission created by Congress in 2016 to organize the semiquincentennial anniversar...