Uncover a game-changing moment: 1918's radiotelephone demo that revolutionized military communications.

This is one of those amazing photographs that you can stare at for hours. We dug up an amazing series of photographs at the Library of Congress, showing the lives of young boys working at the Alexandria Glass Company in the 1910s. These were taken by Lewis Hine and if you want a fascinating history, check out this page we dug up.

Explore the historic use of electric lights during President Woodrow Wilson's 1913 inauguration and what it symbolized for American progress and modernity. Learn how this momentous event marked a new era of hope and optimism, as well as the challenges that lay ahead for the country and the world.

Vermont Avenue was almost extended all the way to Georgia Avenue near Howard University. See the map of the proposed extension.

The Old Dutch Market at Dupont Circle is now occupied by CVS. It was a thriving business in DC through the 1920s. See their launch ad and learn more about what happened to them.

Pauline Floyd was a pioneer and an excellent role model for women pursing a career in law. She was the youngest female lawyer admitted to practice before the Supreme Court.

The Apollo in New York, the Pearl in Philadelphia, the Uptown in Baltimore, and the Howard Theatre in Washington were the preeminent African-American venues for stars like Duke Ellington, Ella Fitzgerald, and the big bands of the 1930s to rock and roll and the Motown sound.

This great series of advertisements from the papers shows the Cairo Hotel back in the result 1900s. How about a room for $45 a month?

In 1910, a British pilot landed his small biplane between the West Wing and the Old Executive Office Bulding. He stopped for lunch with some dignitaries and then took off. Read the incredible story.

This old map shows Sixteenth Street Heights real estate plots laid out in 1910.

It's hard to believe that 2020 is nearly upon us, but it's also hard to imagine what it must have been like on December 31st, 1919 - the last New Year's Eve before Prohibition was enforced. Take a look at this mildly amusing cartoon from The Washington Times.

This 1915 map shows the segregated schools of Washington. Integration wouldn't begin until 1954.

Many don't know the extent of chemical warfare experiment that were conducted on and near the university grounds during the Great War.

Discover the forgotten history of Camp Leach, America's first military chemical weapons facility located on the grounds of today's American University in upper northwest D.C. Nearly 100,000 employees worked here during World War I. Find out more about this historic site.

Back then it was called Western High School. Washington had that school north of Georgetown, Eastern High School near Capitol Hill and Central High School just north of U St.

Take a look back at the historical Old Post Office Pavilion, formerly the Trump Hotel and now the Waldorf Astoria on Pennsylvania Ave. See the beautiful photos from 1919 and learn more about this iconic building.

This is from the Georgetown University archives showing a group of young men gathered in a dorm room in 1913.

Take a look at this remarkable view down Pennsylvania Avenue in Washington, D.C. in about 1921. See the stunning photo and learn more about this historic view of the U.S Capitol.

Check out this old photo of Georgetown's flooding and the Potomac River in 1918. Read more about it at The Georgetown Metropolitan.

Join us as we explore history through a 1919 newspaper - The Evening Star. We look at stories such as the origin of "Keeping Up With the Joneses" and Dry Detective Slain in Rosslyn. Plus, income exceptions for 1918 babies, driver right-of-way and McLean farm for sale.

We love this old photo showing Union Station back in 1914. You’re looking at a familiar line of taxis waiting for passengers. Source: Library of Congress

This Christmas Eve, experience the story of Secretary MacVeagh's palatial home on 16th Street NW. Learn how this gift cost $5.5 million in today's dollars and discover the secret of the Kalamein iron doors.

Explore the past and take a look at this old 1913 map of Chevy Chase, DC. Discover the history of this iconic Washington, DC neighborhood with this beautiful vintage map.

This cool old advertisement shows competition for flying innovation in the early 20th century. William Randolph Hearst offered $50,000 for a successful flight across the U.S. Learn more about Jay Gould's $10,000 offer to the first pilot to fly at 10,000 feet and the Rex Smith Aeroplane Company founded in College Park Maryland.

Relive the Fourth of July in Washington, DC, way back in 1919 with these amazing photos from the Library of Congress. Take a step back in time!

Long gone are the days of the German beer hall in D.C., though some would argue that Brickskeller (ahem, Bier Baron) remains as one of the better ones. Well, it was great back in the day when there was little to no beer scene in the city a decade or two ago, but now, you’re almost always about 100 yards from a great beer joint. Before World War I, a very popular bar was Dietz’s Rathskeller...

This incredible old photograph shows Alexandria, Virginia as seen from the air in 1919. Click on the image to see some amazing details. Source: Library of Congress.

Take a trip down memory lane and explore real estate in Chevy Chase, D.C. in 1913. Back then, you could get a great home for $6,500, the equivalent of about $156,000 today. Now, these homes are easily worth a million dollars.

Take a look at the Old Spanish Embassy at 1521 New Hampshire Ave. NW, as seen in 1911 and today. See the view on Google Street View, courtesy of the Library of Congress.

Meridian Hill Park is an amazing place to visit up 16th St. NW. Built in the 1910s, you can see some amazing photos here.