La primera guerra mundial History Timeline and Biographies

Assassination of Archduke Franz Ferdinand

On June 28, 1914, Archduke Franz Ferdinand of Austria was assassinated in Sarajevo, an event that is often cited as the spark that ignited La primera guerra mundial. This assassination set off a chain reaction of political alliances and military mobilizations across Europe.

Austria-Hungary Declares War on Serbia

On July 28, 1914, Austria-Hungary declared war on Serbia, following the assassination of Archduke Franz Ferdinand. This declaration marked the official beginning of La primera guerra mundial, as it led to the activation of various alliances and escalated the conflict into a world war.

Germany Declares War on Russia and France

In August 1914, Germany declared war on Russia and later on France, further expanding the scope of La primera guerra mundial. This was part of Germany's strategy to quickly defeat France before turning its full attention to Russia.

Battle of the Marne

From September 6 to September 12, 1914, the First Battle of the Marne took place, where Allied forces successfully halted the German advance into France. This battle was crucial in establishing the trench warfare that would define much of La primera guerra mundial.

Gallipoli Campaign Begins

In April 1915, the Allies launched the Gallipoli Campaign aimed at securing a sea route to Russia and knocking the Ottoman Empire out of the war. This campaign became one of the significant battles of La primera guerra mundial but ultimately ended in failure for the Allies.

Battle of the Somme

The Battle of the Somme began on July 1, 1916, and lasted until November 18, 1916. It was one of the largest battles of La primera guerra mundial, with over a million casualties. The battle is remembered for the introduction of the tank and the horrific conditions faced by soldiers.

United States Enters the War

In April 1917, the United States declared war on Germany, marking a significant turning point in La primera guerra mundial. The entry of American troops and resources provided a much-needed boost to the weary Allied forces.

Russian Revolution

In 1917, the Russian Revolution led to the abdication of Tsar Nicholas II and the eventual withdrawal of Russia from La primera guerra mundial. The Bolsheviks signed the Treaty of Brest-Litovsk with Germany in March 1918, allowing Germany to focus its efforts on the Western Front.

Spring Offensive

In March 1918, Germany launched a series of offensives known as the Spring Offensive, aiming to achieve a decisive victory before American forces could fully arrive. This was one of the last major efforts by Germany in La primera guerra mundial.

Armistice Signed

On November 11, 1918, an armistice was signed, effectively ending La primera guerra mundial. The agreement marked the cessation of hostilities, leading to the eventual peace negotiations that would reshape Europe.

Treaty of Versailles

In June 1919, the Treaty of Versailles was signed, officially ending La primera guerra mundial. The treaty imposed heavy reparations and territorial losses on Germany, setting the stage for future conflicts in Europe.

League of Nations Established

In 1920, the League of Nations was established as part of the Treaty of Versailles. This organization aimed to promote peace and prevent future conflicts, although it ultimately failed to prevent World War II, which can be traced back to unresolved issues from La primera guerra mundial.

Prelude to World War II

The unresolved tensions and political changes following La primera guerra mundial contributed to the outbreak of World War II in 1939. The harsh conditions imposed by the Treaty of Versailles created resentment in Germany, leading to the rise of Adolf Hitler and the Nazi Party.