21, 22 MAR 1918 – SOMME DEFENSIVE: Ludendorff, Germany’s last major offensive of World War I, begins: the beginning of the end of WWI

Mar 22 1916 #OnThisDay French barque Bougainville shelled and sunk (crew survived) in the Irish Sea 6 south of the Coningsby Lightship (51°39′N 6°36′W) by Imperial German Navy U-boat SM U-70. During #WWI U-70 sank 53 merchant ships https://t.co/pOVdl38cQ6 https://t.co/X04g2HWouL

— This day in WWI (@ThisDayInWWI) March 22, 2020

March 22, 1918 and The Grand Hotel May Be The Site Of A New Hospital at Vintage Edmonton: https://t.co/hQnbXIOSUk #yeg #yegheritage #WWI #OTD pic.twitter.com/sNH6Fb0Bqo

— Vintage Edmonton (@VintageEdmonton) March 22, 2020

Austro-Hungarian 10.4cm Feldkanone (Field Gun) M.15 in Galicia. Many of these guns would see post war service with a number of armies and became the principal Italian long-range guns in WW2 seing extensive service in Africa & Russia.#WW1 #WWI #FWW #GreatWar #History #Artillery pic.twitter.com/gXzOvokBtk

— Pike Grey 1914-1918 (@PikeGrey1418) March 21, 2020

Heard that dentist appointments are being cancelled so as not to spread #coronavirus. Looking at this photo of an Austro-Hungarian soldier in the dentist chair – maybe this is not such a bad thing after all! #WW1 #WWI #FWW #GreatWar #History #Dentist #Humor pic.twitter.com/J0l3MxAf5p

— Pike Grey 1914-1918 (@PikeGrey1418) March 22, 2020

21 MAR 1918 – SOMME DEFENSIVE – #WWI
Germans attacked with 62 divisions – on the British-held Somme. The Allies relied on the U.S. Army's 6th, 12th and 14th Engineer Regiments and the 17th, 22d, and 148th Aero Squadrons of the AEF Air Service to halt the advance by 6 April. pic.twitter.com/ri3hA58Ypq

— CMH (@USArmyCMH) March 21, 2020

21 Mar 1918: The #Ludendorff Offensive, Germany's last major offensive of World War I, begins. #Germany hoped to end war before millions of U.S. #troops arrived. #WWI #history #SaturdayThoughts #ad https://t.co/3W3D7Zc35H pic.twitter.com/sfsTfMiT3Y

— Today In History (@URDailyHistory) March 22, 2020

Field gun & howitzer production at the Austro-Hungarian Škoda Works in Pilsen.#WW1 #WWI #FWW #GreatWar #History #Skoda #Industry pic.twitter.com/AvNcQPY8rg

— Pike Grey 1914-1918 (@PikeGrey1418) March 21, 2020

Remember folks: Never look down the muzzle of a gun! #WW1 #WWI #FWW #GreatWar #History #Artillery pic.twitter.com/5s0mUxEan6

— Pike Grey 1914-1918 (@PikeGrey1418) March 22, 2020

Vera Brittain subsequently became a nurse in #wwi and wrote movingly of the period. https://t.co/fVQ2ugbYTx pic.twitter.com/E8UirxiRtV

— Burden of Command (@BurdenOfCommand) March 22, 2020