Western Front
French Army Mutinies: War Minister Painleve estimates only 2 reliable French divisions between Germans and Paris (70 miles away); 1,500 mutineers march on Villers-Cotterelts and try to reach Paris (until June 5).
North Sea: Sopwith Camel first in action with Royal Navy Air Service No 4 Squadron from Dunkirk and scores first victory on June 5 of total 2,500 until the end of the war. Squadron of Sopwith Camels on airfield at the Western Front:
https://i2.wp.com/ww2-weapons.com/w...field.jpg?ssl=1
British troops retake the commune of Chérisy, France. British artillery fire on the Western Front continues with intensity.
French air-raid by night on Treves.
Southern Front
Tenth Battle of the Isonzo: Austrian counter-offensive on Carso under General Wenzel von Wurm with fresh 3 divisions (from Eastern Front) to relieve pressure on Trieste. Italian Third Army driven off lower slopes of Mt Hermada with loss of many PoWs although Armando Diaz’s XXIII Corps holds to north (until June 5).
Italian troops passing through trenches in the ruins of a village:
https://twitter.com/CenturyAgoToday...7448704/photo/1
Political, etc
Russia: General Alexj Brusilov succeeds General Mikhail Alexeiev as Russian Commander-in-Chief (see September 5th, 1915 and August 1st, 1917).
Russian Minister of War Aleksandr Kerensky backs a federation of states from the “Baltic to Black Sea” so minorities in Russia can have more rights.