A soldier holds an American flag at a cemetery.

Workers Working On The Empire State Building Around 1931

Children using sign language to sing the US national anthem, in Evandale, Ohio, 1935.

Tim Ott has written for HISTORY.com and other A+E sites since 2012. He has also contributed to sites including MLB.com and Optimism, and teaches writing in his adopted hometown of Fort Lee, New Jersey.

Tim Ott

Tim Ott has written for HISTORY.com and other A+E sites since 2012. He has also contributed to sites including MLB.com and Optimism, and teaches writing in his adopted hometown of Fort Lee, New Jersey.

Tim Ott Archives | HISTORY

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HISTORY

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World War I pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military technology resulted in unprecedented carnage. By the time the war was over and the Allied Powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

World War I

From religious and patriotic holidays to celebrations of ethnic pride, explore the history of Easter, Passover, New Year's Day, Veterans' Day, Memorial Day and more annual observances.

Annual Observances

Inventions from the telephone to the Model T and the computer have defined human history, and inventors like Leonardo da Vinci, Nikola Tesla, Thomas Edison, Eli Whitney and Alexander Graham Bell have transformed our society.

Inventions & Science

Landmarks and monuments, the physical record of human civilization, include spectacular structures like the Eiffel Tower, Mount Rushmore, the Panama Canal, the Brooklyn Bridge and more.

Tim Ott

Stories

The Collaborative Origins of American Sign Language

How the Empire State Building Was Built in Record Time

11 Objects Carried by World War I Infantrymen

What Is the Difference Between Veterans Day and Memorial Day?