Pre-1914
|
1861 |
Unification of Italy |
|
1870–1 |
Franco-Prussian War |
|
1871 |
Unification of Germany |
|
1879 |
Dual Alliance between Germany and Austria-Hungary |
|
1882 |
Triple Alliance between Germany, Austria-Hungary and Italy. Kingdom of Serbia proclaimed |
|
1894 |
Franco-Russian Alliance |
|
1899–1902 |
Second Boer War |
|
1902 |
Anglo-Japanese Alliance Secret Franco-Italian agreement |
|
1904 |
British and French sign the Entente Cordiale |
|
1904–5 |
Russo-Japanese War |
|
1905 |
Revolution in Russia |
|
1907 |
Anglo-Russian Entente signed, thereby forming the Triple Entente between France, Russia and Great Britain |
|
1912–13 |
First Balkan War |
|
1913 |
Second Balkan War |
1914
|
28 June |
Archduke Franz Ferdinand, heir to Austria-Hungary’s throne, and his wife, Sophie, are assassinated in Sarajevo by Serbian nationalist Gavrilo Princip |
|
5 July |
Austro-Hungarian government seeks, and receives, German support before pressing its claims on Serbia |
|
23 July |
Austria-Hungary submits its ten-point ultimatum to Serbia, giving Serbia forty-eight hours to respond |
|
25 July |
Serbian government orders mobilization |
|
28 July |
Austro-Hungarian Empire declares war on Serbia |
|
29 July |
Austria-Hungary starts shelling Serbian capital of Belgrade |
|
31 July |
Russia, in support of Serbia, starts general mobilization Germany gives Russia twelve hours to halt its mobilization |
|
1 August |
Germany declares war on Russia Italy announces its neutrality Belgium announces its neutrality |
|
2 August |
Germany invades Luxembourg Germany demands passage through Belgium |
|
3 August |
Germany declares war on France and Belgium |
|
4 August |
Germany invades Belgium |
|
5 August |
Germans start shelling Belgian city of Liège |
|
6 August |
Austria-Hungary declares war on Russia |
|
7 August |
France attacks German provinces of Alsace and Lorraine |
|
11 August |
France declares war on Austria-Hungary |
|
12 August |
Great Britain declares war on Austria-Hungary |
|
13 August |
Austro-Hungarian forces begin first invasion of Serbia |
|
16 August |
Liège falls |
|
16–19 August |
Serbs defeat Austro-Hungarians at the Battle of Jadar, Balkans |
|
17 August |
Russians invade East Prussia |
|
20 August |
Brussels surrenders |
|
23 August |
Battle of Mons, Western Front |
|
23–30 August |
Germans defeat Russians at the Battle of Tannenberg |
|
24 August |
Start of the Retreat from Mons |
|
25 August |
Japan declares war on Austria-Hungary |
|
26 August |
German colony of Togoland falls to the Allies |
|
26–30 August |
Battle of Tannenberg, Eastern Front |
|
28 August |
First naval battle of the war, the First Battle of Heligoland Bight |
|
29 August |
Battle of St Quentin, Western Front |
|
30 August |
German colony of Samoa falls to New Zealand forces |
|
5 September |
Lord Kitchener calls for volunteers to join the British army |
|
5–12 September |
First Battle of the Marne, Western Front |
|
9–14 September |
First Battle of the Masurian Lakes, Eastern Front |
|
12–28 September |
First Battle of the Aisne, Western Front. Trench warfare established as soldiers on both sides dig in and start the ‘Race to the Sea’. |
|
13 September |
South African troops attack German South West Africa |
|
21 September |
German New Guinea falls to the Australians |
|
22 September |
First British air attack on Germany |
|
24 September |
Start of the Siege of Przemy´sl, Eastern Front |
|
28 September |
Start of the Siege of Antwerp, Western Front |
|
10 October |
Antwerp surrenders |
|
19 October |
First Battle of Ypres begins, Western Front |
|
20 October |
SS Glitra becomes first British merchant ship sunk by a German U-boat |
|
29 October |
Turkey enters war on the side of the Central Powers and bombards Russia’s Black Sea ports |
|
31 October |
Japanese siege of German-held Tsingtao begins |
|
1 November |
Battle of Coronel, naval battle |
|
2 November |
Russia declares war on the Ottoman Empire |
|
3 November |
German naval raid on Great Yarmouth |
|
3–5 November |
Battle of Tanga, East Africa (also known as the Battle of the Bees) |
|
5 November |
Britain and France declare war on the Ottoman Empire |
|
6 November |
Execution of Karl Lody, first WWI German spy executed in Britain |
|
7 November |
Japanese forces capture Tsingtao in China |
|
9 November |
German cruiser Emden destroyed by HMAS Sydney at the Battle of Cocos |
|
11 November |
Ottoman Empire declares jihad on the Allies |
|
22 November |
Anglo-Indian force occupy Basra, part of the Ottoman Empire |
|
2 December |
Austro-Hungarian troops occupy Belgrade |
|
8 December |
Battle of the Falkland Islands, naval battle |
|
15 December |
Austro-Hungarian troops ousted from Belgrade |
|
16 December |
German cruisers bombard Scarborough, Hartlepool and Whitby |
|
22 December |
Start of the Battle of Sarikamish, Middle East |
|
25 December |
Unofficial Christmas truce on the Western Front |