President Sergio Mattarella attended commemorations in Rome and Fiuli Venezia Giulia to mark the 100th anniversary of Italy's entry into the First World War on May 24th 2015.
A brief truce took place in the fighting between Anzac forces and Turkish troops at Gallipoli on May 24th 1915.
Italy entered hostilities on the Allied side on May 23rd 1915, declaring war on the Austro-Hungarian Empire.
The centenary of the Quintinshill rail disaster was commemorated today in Gretna in Scotland at an event attended by Princess Anne, Scotland's First Minister Nicola Sturgeon, and descendents of some of those who died.
A troop train crashed in the worst rail disaster in UK history, near Gretna in Scotland, on May 22nd 1915.
Eight Canadian soldiers have been reburied with full military honours in France, almost a century after they were killed in the closing months of the First World War.
A musical telling the story of a British officer and his soldiers who drowned at sea on their way to Gallipoli is being brought to the London stage in summer 2015.
A global tribute is planned to accompany the 30,000th sounding of the Last Post at the Menin Gate, Ypres, on July 9th 2015.
An author from Kent in the UK, Aura Hargreaves, has compiled a book and website featuring the letters sent between her grandfather, a 2nd Lieutenant in the Kings Royal Rifle Corps, and his fiancee - written between 1915 and 1919.
"The special exhibition Sand to Snow: Global War 1915 examines the vast reach of this worldwide conflict, and runs from May 2015 - April 2016 at the National World War I Museum in Kansas City, Missouri."
The names of 16,500 conscientious objectors were added to the Imperial War Museum's Centenary memorial website today (May 15th 2015) - International Conscientious Objectors Day.
Author Diana Preston discusses her new book A Higher Form of Killing: Six Weeks in World War I that Forever Changed the Nature of Warfare, with Centenary News' Ashlee Godwin.
Talbot House is appealing for wartime photos of the 'home from home' created for WW1 British soldiers in Belgium as part of its 2015 Centenary.
Flanders House in New York held an event on 12 May 2015 to commemorate the 100th anniversary of John McCrae writing his poem 'In Flanders Fields'
Princess Anne will attend commemorations in Scotland in May 2015 marking the centenary of the Gretna disaster which killed more than 200 troops leaving for Gallipoli.
War memorials associated with the Gallipoli campaign have been given additional protected status by conservation body Historic England.
Britain launched a new offensive at Aubers Ridge on May 9th 1915, triggering a political crisis, the formation of a coalition government and a new munitions ministry under David Lloyd George.
Centenary News reports from Cobh, where thousands of visitors packed the streets on May 7th 2015 for a day of tributes to mark the 100th anniversary of the sinking of the Lusitania.
Here are more Centenary News photos of the remembrance events in Cobh on May 7th 2015 - 100 years after the Lusitania was sunk off the Irish coast.
The British transatlantic liner, Lusitania, was torpedoed by a German submarine on May 7th 1915, provoking American outrage at the deaths of neutral US passengers.
Thousands of people are expected to take part in Lusitania centenary events on Ireland's Cork coast today (May 7th 2015), many of them descendants of the torpedoed liner's passengers and crew.
Centenary News Review:
'Larson's greatest skill is his ability to bring the captains, commanders and passengers to life beyond the page so that they are more than mere names in a history book. It is this, combined with the detailed and objective research, which makes Dead Wake a powerful addition to the study of the Lusitania's final voyage.'
To read the full description and review, click here.
On 4th May 1914, the Battle of St Julien ended after 11 days. It was one of the key engagements during the Second Battle of Ypres.
It is believed that John McCrae wrote the famous poem on May 3rd 1915.
A veteran lifeboat has been rowed to the wreck site of the Lusitania in tribute to those who went to the aid of the torpedoed liner's victims on May 7th 1915.
The influenza pandemic which spread across the world with devastating results in the final months of the Great War will be discussed at a lecture in London on May 13th 2015.
German and Austro-Hungarian troops launched a joint offensive in Galicia (present-day Poland) on May 2nd 1915, achieving a major breakthrough against the Russian Army.
The World War One Centennial Commission (the main US official body for commemorating the First World War), will be hosting two events to mark the sinking of the Lusitania on May 7th 1915.
More than 60 photographs capturing the aftermath of the Lusitania disaster are displayed in the Irish port of Cobh, as it prepares for commemorations next week marking the centenary of the British liner's sinking by a German submarine.
Centenary News Review:
This is a lively and comprehensive account of the sinking of the Lusitania, and the controversies which still swirl around it. Diana Preston weaves a narrative of intrigue and foreboding that describes how the pride of the Cunard fleet sailed into a German U-boat's sights.
Written by Centenary News volunteers:
Latest Articles & Blogs
Centenary News is a not for profit social enterprise - that has been set up to provide independent, impartial and international coverage of the Centenary of the First World War.
Centenary News est une entreprise à but non-lucratif - qui a été mise en place pour assurer une couverture indépendante, impartiale et internationale du centenaire de la Grande Guerre.
Centenary News ist eine soziale gemeinnützige Organisation, die mit dem Ziel gegründet wurde, unabhängige, unparteiische und internationale Berichterstattung über den hundersten Jahrestag des Ausbruchs des Ersten Weltkriegs zu liefern.
Centenary News also aims to provide video and digital services to other Centenary organisations. Please contact us for more information.