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  • never knew about the invasion of serbia

    • Fat Racks

      well i did you should to

  • jackdaniels63

    Great List. Everyone knows we felt the effects of this war only 20 years later but on a closer look we still are, and may always.

  • jason

    I don’t like it that the list is called ‘Bloodiest Battles’ because the majority of these statistics include MIA, POW, and injuries along with those men killed in action. Granted this list is in a relatively good order, but some of these battles lasted weeks, and some lasted months – obviously making the casualty list much higher.

  • Taylor

    I’d just like to point out that the first image (for Tannenberg) is obviously from the 18th-early 19th century, not WWI. Some of the troops look to be French Napoleonic soldiers, possibly Borodino or Austerlitz. Sorry to nitpick.

  • Lachlan

    Looking at your No 9 entry, my Great-Uncle David Robertson (S/9365, L/Cpl, B Coy, 8th Batt Black Watch, 9th Scottish Division) was killed on 3rd May 1917, during the 3rd Battle of the Scarpe phase of the Battle of Arras. The dawn assault, intended to capture German positions on Greenland Hill, Roeux, was moved at short notice by one hour to 3.45am, while it was still pitch black. There was no time to set out white marker tapes and the attack went in blind. The Germans expected an attack sometime that morning and when the British attacked, our troops stumbled in the darkness, losing direction and cohesion. They were mown down by German shellfire and machine-guns in unexpected advance foxhole positions missed by the British artillery. A complete disaster which went into the painful learning curve for later.

  • Lachlan

    If I may offer just a couple of adjustments on your excellent, if saddening list:- No 7 should be the Marne – no “s” on the end and No 4 Battle of Verdun – the photo you have shown is of British soldiers, taken from film footage of the British attack on the first day of the Battle of the Somme – 1st July 1916.

  • Hang ’em High

    Millions upon millions of young men sacrificed for what and by who?

  • james

    Where is the Brusilov offensive? There was roughly 1.5 casualties.

  • tsa

    Good point

  • nacho

    Are thease battles even real?

  • Anže

    What about The Battles of the Isonzo? It’s one of the bloodiest with around 1.2 million casualties (Italians actually suffered half of their casualites in the entire war) … not on your list.

  • Melanie Martinez

    This was very interesting!!!!!! Help Me Alot In My Project!!!!!!

  • Jeff

    I’d love to know how one of the most pivotal – and bloody – campaigns was left out. The Brusilov Offensive, from my research, had about 1.4-1.8 million casualties, yet it isn’t even mentioned.

  • J.F. Wolfington

    Interestingly, the battle of the Meuse-Argonne, which is the only large scale battle of the First World War in which the U.S. took part, is the bloodiest battle in the history of the American armed forces. I say ‘interesting’ because for most Americans, WWI is just a barely noteworthy preface to our glorious deeds in WW2 – and yet it was during the First World War, not the second…nor our Civil War…that we fought the bloodiest battle in our history.

    I find the First World War far more interesting than the Second.

  • J M L

    And those who refuse to go to war are called cowards. Why would anyone want to join in this kind of madness,in this day and age, is beyond me.

    • mike m

      Because they still believe they are “defending their country” when in reality the are “protecting the profits for bankers”.

  • Ciau

    Wow great list really helped me out here

  • yes


  • Zoe Brain

    My paternal Grandfather was in 3, 5 and 8. 9th Btn, Sherwood Foresters.

    So my existence is improbable.

  • Matthew

    what should i do for my project this year, The Battle of Somme or The Battle of Gallipoli.

  • The Albatross

    More historical accuracy about the 100 Days Offensive is required.
    The plan was never ‘proposed’ by Haig — it was in fact a comprehensive plan designed by LTGEN Sir John Monash of the Australian Corps.
    The ‘rehearsal’ for this Combined Ops offensive was the Battle of Hamel, where Monash planned an attack on the GER positions in a 90 minutes operation.
    “The battle of Hamel of 4 July—’all over in ninety-three minutes…the perfection of teamwork’, Monash wrote—proved his point. The Americans participated, and Monash had to withstand, by extraordinary force of personality, a last-minute attempt by General Pershing to withdraw them. Military historians have acclaimed it as ‘the first modern battle’, ‘the perfect battle’. ‘A war-winning combination had been found: a corps commander of genius, the Australian infantry, the Tank Corps, the Royal Artillery and the RAF”.

    The entire OP took him 93 minutes and this was the precursor to Battle of Amiens.
    More here;

  • jdm61cc

    You forgot the Brusilov offensive Estimated 2.4-2.8 million casualties. I mention that because you have classified the Emperor Battle” of Sprjng 1918 and the 100 Days as single battles on your list. IIRC, the Carpathian winter war of 1914-15 would slot in at about #6 on your list (actually #7 as everyone gets bumped down a notch by Brusilov) with 800,000 casualties not counting the late fall battles at places like Gorlice, Tarnow and Przesmsyl. The Austro-Hungarian army in that region came out of the winter with some units having lost 75% of their troops, many of those casualties from frostbite, expose and disease.

  • Diplodocus

    LOL Where is battle of Galicia?

  • odys

    The greatest casualties of WW1 is us, all 7 billion humans suffering from central planners who had no hope of being in power before WW1. Before WW1 90% of all government spending was done at the municipal level.