A cool morning rain fell from dreary gray skies over Washington, D.C. Saturday morning, a quiet prelude to the vibrant celebration that was set to take over the heart of the city later in the day. As if on cue,

On Saturday, the US Army is celebrating its 250th anniversary complete with multiple events including a military parade. Here’s how to attend and watch.

The Rose Princesses were there, along with a handful of Disney princesses and trombones and trumpets and saxophones played “Louie, Louie” and “Seven Nation Army,” pretty well, actually, given the misty day and the youthfulness of many of the music groups.

The city’s Downtown Reading initiative will join forces with the Mid-Atlantic Air Museum to present the 31st World War II midday parade.