<human>:  What were some of the major events and battles during World War?
<bot>: Some of the major events and battles during World War 1 included the Battle of the Somme, the Battle of Verdun, the Battle of Gallipoli, the Battle of Tannenberg, the Battle of Jutland, and the Battle of Passchendaele. There were also several major offensives such as the Spring Offensive, the Kaiserschlacht, and the Hundred Days Offensive. Additionally, there were important diplomatic developments such as the Sykes-Picot Agreement and the Brest-Litovsk Treaty.