British Pomp at It's Best: Trooping the Color

Queen Elizabeth's "official" birthday is cause for a military parade in her 90th year!

Huge crowds turned out for this annual event. The Daily Mail has the details along with more spectacular full size photos. Here's a teaser:

Bands, horses and soldiers along the ceremonial route.

13 month old Princess Charlotte in the arms of her mother the Duchess of Cambridge made her first appearance on
the famous Buckingham Palace balcony with other members of the Royal family at the conclusion of the event.

Huge crowds outside Buckingham Palace in central London while a helicopter flyover thunders overhead.

BBC has video of the full event plus history and commentary for history buffs and Anglophiles.