WORLD WARS (WWI AND WWII)

By Jon G.7
  • Assassination of Archduke Franz Ferdinand

    Assassination of Archduke Franz Ferdinand

    The heir to the Austro-Hungarian throne was killed in Sarajevo by Gavrilo Princip, sparking tensions that led to war.
  • Austria-Hungary declares war on Serbia

    Austria-Hungary declares war on Serbia

    This marks the official beginning of World War I as alliances between nations begin to activate.
  • Germany declares war on Russia

    Germany declares war on Russia

    Germany supports Austria-Hungary, while Russia backs Serbia, escalating the conflict.
  • Germany declares war on France

    Germany declares war on France

    Germany launches its plan to quickly defeat France before turning to fight Russia.
  • Germany invades Belgium; Britain declares war on Germany

    Germany invades Belgium; Britain declares war on Germany

    Britain joins the war after Germany violates Belgian neutrality.
  • Period: to

    Battle of Tannenberg

    Germany defeats Russia in one of the first major battles of the Eastern Front.
  • Period: to

    First Battle of the Marne

    Allied forces stop the German advance on Paris; trench warfare begins.
  • Poison gas used at Ypres

    Poison gas used at Ypres

    Germany uses chlorine gas for the first time, introducing chemical warfare.
  • Period: to

    Gallipoli Campaign

    Allied forces attempt to control the Dardanelles but fail against the Ottoman Empire.
  • Period: to

    Battle of Verdun

    One of the longest and bloodiest battles; symbol of French determination.
  • Period: to

    Battle of the Somme

    Over one million casualties; tanks used for the first time in combat.
  • Battle of Passchendaele (Third Ypres)

    Battle of Passchendaele (Third Ypres)

    Fought in terrible muddy conditions; heavy losses for small territorial gains.
  • Period: to

    Russian Revolutions

    The Tsar is overthrown, and later, the Bolsheviks seize power under Lenin.
  • The United States declares war on Germany

    The United States declares war on Germany

    The U.S. joins the Allies, bringing new troops and resources to the fight.
  • Period: to

    Hundred Days Offensive

    The Allies launch a final series of attacks that push German forces back.
  • Treaty of Brest-Litovsk signed

    Treaty of Brest-Litovsk signed

    Russia officially withdraws from the war after peace talks with Germany.
  • Armistice signed

    Armistice signed

    Fighting stops at 11 a.m.; Germany agrees to ceasefire, ending World War I.
  • Treaty of Versailles signed

    Treaty of Versailles signed

    Officially ends the war; Germany is blamed and forced to pay reparations.
  • Invasion of Poland

    Invasion of Poland

    (01/09/1939 – 06/10/1939) Germany invades Poland using blitzkrieg tactics, and the Soviet Union attacks from the east, officially starting World War II in Europe.
  • Fall of Paris

    Fall of Paris

    (14/06/1940) German troops enter Paris after a rapid invasion of France, forcing the French government to surrender days later.
  • Battle of Britain

    Battle of Britain

    (10/07/1940 – 31/10/1940) Germany launches massive air attacks against Britain, but the Royal Air Force successfully defends the country and prevents invasion.
  • Operation Barbarossa

    Operation Barbarossa

    (22/06/1941 – 05/12/1941) Germany begins a huge surprise invasion of the Soviet Union, opening the Eastern Front and advancing deep into Soviet territory.
  • Attack on Pearl Harbor

    Attack on Pearl Harbor

    (07/12/1941) Japan launches a surprise attack on the U.S. naval base at Pearl Harbor in Hawaii, leading the United States to enter the war.
  • Battle of Midway

    Battle of Midway

    (04/06/1942 – 07/06/1942) The United States defeats Japan in a decisive naval battle, destroying several Japanese aircraft carriers and changing the course of the Pacific War.
  • Battle of El Alamein

    Battle of El Alamein

    (23/10/1942 – 11/11/1942) British-led Allied forces defeat the Axis army in Egypt, stopping Germany’s advance toward the Suez Canal and Middle Eastern oil fields.
  • Battle of Stalingard

    Battle of Stalingard

    (23/08/1942 – 02/02/1943) Soviet forces surround and defeat the German army in Stalingrad after months of brutal urban combat, marking a major turning point in the war.
  • Tehran Conference

    Tehran Conference

    (28/11/1943 – 01/02/1943) Roosevelt, Churchill, and Stalin meet in Tehran to coordinate military strategy and discuss plans for the Allied invasion of Western Europe.
  • D-Day

    D-Day

    (06/06/1944) Allied forces land on the beaches of Normandy in Operation Overlord, beginning the liberation of Nazi-occupied Western Europe.
  • Potsdam Conference

    Potsdam Conference

    (17/07/1945 – 02/08/1945) Truman, Churchill, and Stalin meet in Potsdam to decide how Germany would be occupied and governed after the war.
  • Yalta Conference

    Yalta Conference

    (04/02/1945 – 11/02/1945) Allied leaders meet in Crimea to plan the final defeat of Germany and discuss how Europe would be reorganized after the war.
  • Battle of Iwo Jima

    Battle of Iwo Jima

    (19/02/1945 – 26/03/1945) U.S. Marines capture the heavily defended island of Iwo Jima after intense fighting, gaining an important base near Japan.
  • Battle of Berlin

    Battle of Berlin

    (16/04/1945 – 02/05/1945) Soviet forces launch the final assault on Berlin, leading to Hitler’s suicide and the collapse of Nazi Germany.
  • V-Day

    V-Day

    (08/05/1945) Victory in Europe Day celebrates Germany’s unconditional surrender and the end of World War II in Europe.
  • Bombing of Hiroshima and Nagasaki

    Bombing of Hiroshima and Nagasaki

    (06/08/1945 – 09/08/1945) The United States drops atomic bombs on Hiroshima and Nagasaki, causing massive destruction and leading Japan toward surrender.

Plan projects on a visual timeline

Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.