The Great War written in May 1915 "In Flanders Fields" John McCrae written in May 1915 in Flanders Fields John McCrae written in May 1915 The Great War More on In Flanders Field. Alexis Helmer The Great War 1914 – 1918, In Flanders Field. written in May 1915 John McCrae The Great War "In Flanders Fields" written in May 1915 inspiration of In Flanders Fields The Great War detail of how it came to be written in Flanders Fields “Inspiration for the poem ‘In Flanders Fields’ Inspiration for In Flanders Fields Major John McCrae Inspiration for the poem ‘In Flanders Fields’ by John McCrae