#OTD20 | September 15, 1916

Tanks Roll into Battle

September 15, 1916: History is made as military tanks are used for the first time in combat.

British Mark I tanks rolls into combat for the first time during the Battle of Flers-Courcelette, a pivotal moment in the Battle of the Somme. These early tracked fighting vehicles revolutionize warfare with their armored might, forever altering the field of battle. One Australian crewman remark on the awesome invention, saying it:

"Ladled out death as you might vamp out indifferent music from a hurdy gurdy."

Viewing Options

The Battle of the Somme and advances in battlefield technology are chronicled in our curriculum-aligned film, World War I.

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Preview a short excerpt from each video chapter in World War I.

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Additional Resources

Access more information from Media Rich Learning and curated off-site sources.

National Army Museum

Explore the stories of World War I with this excellent resource from Britain's National Army Museum.

Tank Museum

Learn more about the Mark I at the Tank Museum.

#OTD20

Step back in time to experience the significant events that happened on this day in the 20th century.

September 30, 1938: Neville Chamberlain and the Munich Agreement – ‘Peace In Our Time’

#OTD20 — September 30, 1938: British Prime Minister Neville Chamberlain believes war with German has been averted, declaring the Munich Agreement affords “peace in our time.”

September 25, 1919: Woodrow Wilson Incapacitated

#OTD20 | September 25, 1919 Woodrow Wilson’s Debilitating Stroke: A Secret Crisis in American Governance September 25, 1919: President Woodrow Wilson collapses while in Colorado, rallying public support for the League of Nations. The president is rushed back to Washington.

September 24, 1957: Ike Orders Federal Troops into Little Rock

#OTD20 —On September 23, 1957: President Eisenhower orders federal troops into Little Rock, Arkansas to ensure the integration of Central High School.

September 23, 1952: Nixon’s Checkers Speech

#OTD20 — September 23, 1952: Explore the enduring legacy of Richard Nixon’s 1952 Checkers speech, a moment that changed American politics forever.

September 23, 1913: Colorado Coalfield War begins

#OTD20 — September 23, 1952: A strike by miners in the Colorado coalfields leads to a violent, year-long conflict known as the Colorado Coalfield War. Explore its origins, key events, and lasting impact.

September 22, 1961: The Peace Corps is Created

#OTD20 — September 22, 1961: President Kennedy’s vision comes to life with the establishment of the Peace Corps, igniting an era of global volunteerism and outreach.

September 21, 1949: Mao Zedong Declares People’s Republic of China

#OTD20 — September 21, 1949: Mao Zedong makes the historic proclamation of the People’s Republic of China, transforming the balance of geopolitical power in the Cold War.

September 20, 1962: James Meredith Blocked at Ole Miss

#OTD20 — September20, 1962: James Meredith attempts to register at the University of Mississippi but is obstructed by Governor Ross Barnett. Barnett’s defiant act directly challenges a U.S. Supreme Court ruling and sets the stage for a federal intervention.

September 18, 1947: The CIA is Born

#OTD20 — September 18, 1947: The Central Intelligence Agency comes into existence, authorized by National Security Act of 1947.

September 17, 1939: Soviet Union Invades Poland

#OTD20 — September 17, 1939: Forces from the Russian army invade Poland, coming on the heels of the German invasion just two weeks earlier. The offensive effectively splits Poland in two.

September 16, 1940: U.S. Introduces Military Draft

#OTD20 — September 16, 1940: A military draft is introduced, marking a critical step in America’s preparation for World War II.

September 15, 1963: Birmingham Church Bombing

#OTD20 — September 15, 1963: a bomb explodes at the 16th Street Baptist Church in Birmingham, Alabama killing four young girls: Addie Mae Collins, Cynthia Wesley, Carole Robertson, and Denise McNair.

Remarkably social