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The Smithsonian at 175

engraving of the Smithsonian Castle

SI 175

2021 represents a significant chapter in the Smithsonian’s history—its 175th anniversary. On August 10, 1846, the U.S. Senate passed the act organizing the Smithsonian Institution, which was signed into law by President James K. Polk. As we commemorate this milestone, it is important to not only look back at where we have been, but also look ahead to what is on the horizon. Join us in person or online this coming year for a series of events that explore our history and imagine the Institution’s next 175 years.

Present History Activity Guide

Present History

As the Smithsonian celebrates its 175th anniversary, lifelong learners and their families can enjoy highlights of significant, game-changing milestones that inspire, excite, and offer moments of reflection. Through stories of innovation, movements, inspiration, and reflection in an ongoing quest to better understand the American experience, readers are introduced to a sampling of the breadth and depth of the Smithsonian. Games throughout the guide offer opportunities to test your knowledge, learn something new, and connect with family and friends.

Download Present History »

Featured Exhibition

Futures exhibition illustration

To celebrate the Smithsonian’s 175th anniversary in 2021, the Arts and Industries Building reopened for the first time in two decades with FUTURES, the first building-wide exploration of the future on the National Mall.

On view November 21, 2021, through July 6, 2022, FUTURES featured a vast array of interactives, artworks, tech, and ideas that were glimpses into humanity’s next chapter.

From the Collections

Smithsonian Staff Skating on the National Mall

Smithsonian Park from North Carriage Porch of Smithsonian Institution Building

Smithsonian Institution Building Hallway

The Castle Stereos: Interior Views of the Smithsonian Institution

Smithsonian Museum Opens

Aerial View of Smithsonian Buildings, 1933

(Aerial View of the Smithsonian)

Children's Room, SI Building

Buffalo Behind Smithsonian Institution Building

First Omelet Day at the Smithsonian Commons

Smithsonian Institution Building

Smithsonian's 131st Birthday Party

Hawaiian Participants at Folklife Festival

New Bell for Flag Tower of the Smithsonian Institution Building

Main Portion of SI Building Completed

3c Smithsonian Institution Centennial single

Lower Invertebrates Exhibit in West Wing, Smithsonian Institution Building


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