World War I: Austrian sabotage causes the sinking of the Italian battleship Leonardo da Vinci in Taranto.
Pakistan is re-admitted to the Commonwealth of Nations after having restored democracy for the first time since 1972.
World War I: Germany declares war against France, while Romania declares its neutrality.
France: members of the National Constituent Assembly take an oath to end feudalism and abandon their privileges.
World War I: The German 12th Army occupies Warsaw during the Gorlice-Tarnów Offensive and the Great Retreat of 1915.
World War I: The German minelayer SS Königin Luise lays a minefield about 40 miles (64 km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMS Amphion.
World War I: The Battle of Amiens begins a string of almost continuous Allied victories with a push through the German front lines (Hundred Days Offensive).
World War I: Start of the Battle of Lorraine, an unsuccessful French offensive designed to recover the lost province of Moselle from Germany.
Pakistan gains Independence from the British Empire and joins the Commonwealth of Nations.
World War I: Battle of Stallupönen: The German army of General Hermann von François defeats the Russian force commanded by Paul von Rennenkampf near modern-day Nesterov, Russia.
World War I: Brussels is captured during the German invasion of Belgium.
World War I: Battle of Mons: The British Army begins withdrawal.
Initial accord between Israel and the PLO about partial self-rule of the Palestinians on the West Bank.
World War I: The library of the Catholic University of Leuven is deliberately destroyed by the German Army. Hundreds of thousands of irreplaceable volumes and Gothic and Renaissance manuscripts are lost.
World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
Pakistan's National Assembly passes a constitutional amendment to make the "Qur'an and Sunnah" the "supreme law" but the bill is defeated in the Senate.
World War I: Start of the Battle of St. Quentin in which the French Fifth Army counter-attacked the invading Germans at Saint-Quentin, Aisne.
World War I: Germans defeat the Russians in the Battle of Tannenberg.