World War I 1,619 items

  1. June 28, 1914Assassination of Archduke Franz Ferdinand of Austria

  2. July 1, 1914

  3. July 8, 1914

  4. July 15, 1914

  5. July 22, 1914

  6. July 30, 1914

  7. August 2, 1914Germany invades France

  8. August 4, 1914United Kingdom declares war on Germany

  9. August 5, 1914

  10. August 6, 1914

  11. August 12, 1914United Kingdom declares war on Austria-Hungary

  12. August 16, 1914

  13. August 17, 1914Russian troops enter Prussia (Eastern Front)

  14. August 19, 1914

  15. August 20, 1914Battle of Gumbinnen (Eastern Front)

  16. August 22, 1914

  17. August 23, 1914Japan declares war on Germany

  18. August 24, 1914

  19. August 25, 1914

  20. August 26, 1914

  21. August 28, 1914Battle of Tannenberg (Eastern Front)

  22. August 29, 1914

  23. August 30, 1914

  24. August 31, 1914

  25. September 2, 1914

  26. September 3, 1914

  27. September 5, 1914First Battle of the Marne begins

  28. September 7, 1914

  29. September 10, 1914

  30. September 11, 1914

  31. September 12, 1914

  32. September 13, 1914

  33. September 16, 1914

  34. September 21, 1914

  35. September 24, 1914

  36. September 25, 1914

  37. September 28, 1914Siege of Antwerp begins (Western Front)

  38. September 29, 1914Battle of the Vistula River (Warsaw) starts (Eastern Front)

  39. September 30, 1914

  40. October 1, 1914

  41. October 2, 1914

  42. October 3, 1914

  43. October 5, 1914

  44. October 9, 1914

  45. October 10, 1914

  46. October 14, 1914

  47. October 15, 1914

  48. October 18, 1914

  49. October 22, 1914

  50. October 23, 1914

  51. October 29, 1914Belgium floods the Yser plain forcing the German army to retreat from the Battle of the Yser (Western Front)

  52. October 30, 1914

  53. October 31, 1914Battle of the Vistula River (Warsaw) ends (Eastern Front)

  54. November 2, 1914Bergman Offensive (Caucasus Front)

  55. November 4, 1914

  56. November 5, 1914France and the United Kingdom declare war on Turkey

  57. November 7, 1914

  58. November 8, 1914

  59. November 11, 1914

  60. November 17, 1914

  61. November 20, 1914

  62. November 30, 1914

  63. December 5, 1914

  64. December 16, 1914German Navy bombards British towns of Scarborough, Hartlepool and Whitby

  65. December 20, 1914

  66. December 21, 1914

  67. December 22, 1914Battle of Sarikamish begins (Caucasus Front)

  68. December 31, 1914

  69. January 1, 1915Attack on British at Chahafi, Uganda

  70. January 2, 1915

  71. January 5, 1915

  72. January 6, 1915

  73. January 17, 1915Battle of Sarikamish ends (Caucasus Front)

  74. January 18, 1915

  75. January 20, 1915

  76. January 30, 1915

  77. February 2, 1915

  78. February 4, 1915

  79. February 5, 1915

  80. February 18, 1915German U-Boat war on commerce starts

  81. February 26, 1915

  82. March 14, 1915Battle of Más a Tierra

  83. March 17, 1915

  84. April 9, 1915

  85. April 10, 1915

  86. April 12, 1915

  87. April 13, 1915

  88. April 14, 1915

  89. April 15, 1915

  90. April 16, 1915

  91. April 17, 1915

  92. April 19, 1915

  93. April 20, 1915Shell Crisis

  94. April 21, 1915

  95. April 22, 1915Second Battle of Ypres (first successful use of poison gas)

  96. April 23, 1915

  97. April 24, 1915

  98. April 25, 1915Battle of Gallipoli begins (ANZAC)

  99. April 26, 1915Treaty of London (Italy joins Triple Entente)

  100. April 27, 1915

  101. April 28, 1915

  102. April 29, 1915

  103. April 30, 1915

  104. May 1, 1915

  105. May 2, 1915

  106. May 3, 1915

  107. May 4, 1915

  108. May 5, 1915

  109. May 6, 1915

  110. May 7, 1915Sinking of the Lusitania

  111. May 8, 1915

  112. May 9, 1915

  113. May 10, 1915

  114. May 11, 1915

  115. May 12, 1915

  116. May 13, 1915

  117. May 14, 1915

  118. May 15, 1915

  119. May 17, 1915

  120. May 18, 1915

  121. May 19, 1915

  122. May 20, 1915

  123. May 21, 1915

  124. May 22, 1915

  125. May 23, 1915Italy declares war on Austria-Hungary

  126. May 24, 1915

  127. May 25, 1915Treaty of Kyakhta

  128. May 26, 1915

  129. May 27, 1915

  130. May 28, 1915

  131. May 29, 1915

  132. May 31, 1915

  133. June 1, 1915

  134. June 2, 1915

  135. June 3, 1915

  136. June 4, 1915

  137. June 5, 1915

  138. June 7, 1915

  139. June 8, 1915

  140. June 9, 1915

  141. June 10, 1915

  142. June 11, 1915

  143. June 12, 1915

  144. June 14, 1915

  145. June 15, 1915

  146. June 16, 1915

  147. June 17, 1915

  148. June 18, 1915

  149. June 19, 1915

  150. June 21, 1915

  151. June 22, 1915

  152. June 23, 1915

  153. June 24, 1915

  154. June 25, 1915

  155. June 26, 1915

  156. June 28, 1915

  157. June 29, 1915

  158. June 30, 1915

  159. July 1, 1915

  160. July 4, 1915

  161. July 9, 1915Germans in Southwest Africa surrender to South African troops

  162. July 15, 1915

  163. July 18, 1915

  164. July 19, 1915

  165. July 24, 1915

  166. July 26, 1915

  167. July 29, 1915

  168. August 3, 1915

  169. August 5, 1915Germans occupy Warsaw

  170. August 6, 1915

  171. August 8, 1915

  172. August 9, 1915

  173. August 10, 1915

  174. August 17, 1915

  175. September 7, 1915

  176. September 15, 1915

  177. September 25, 1915

  178. September 29, 1915

  179. October 2, 1915

  180. October 12, 1915British nurse Edith Cavell is executed

  181. October 26, 1915

  182. November 10, 1915

  183. November 15, 1915

  184. November 17, 1915

  185. November 24, 1915

  186. December 12, 1915

  187. January 10, 1916Erzurum Offensive (Caucasus Front)

  188. January 16, 1916

  189. February 10, 1916

  190. February 16, 1916

  191. February 21, 1916Battle of Verdun begins

  192. February 22, 1916

  193. March 1, 1916

  194. March 5, 1916

  195. March 9, 1916

  196. March 10, 1916

  197. March 11, 1916

  198. March 13, 1916

  199. March 14, 1916

  200. March 15, 1916

  201. March 16, 1916

  202. March 17, 1916

  203. March 18, 1916

  204. March 20, 1916

  205. March 21, 1916

  206. March 22, 1916

  207. March 23, 1916

  208. March 24, 1916

  209. March 25, 1916

  210. March 27, 1916

  211. March 28, 1916

  212. March 29, 1916

  213. March 30, 1916

  214. March 31, 1916

  215. April 1, 1916

  216. April 3, 1916

  217. April 4, 1916

  218. April 5, 1916

  219. April 6, 1916

  220. April 7, 1916

  221. April 8, 1916

  222. April 10, 1916

  223. April 11, 1916

  224. April 12, 1916

  225. April 13, 1916

  226. April 14, 1916

  227. April 15, 1916

  228. April 17, 1916

  229. April 18, 1916

  230. April 19, 1916U.S. President Wilson warns Germany about unrestricted submarine warfare

  231. April 20, 1916

  232. April 21, 1916

  233. April 22, 1916

  234. April 24, 1916Easter Uprising in Ireland

  235. April 25, 1916

  236. April 26, 1916

  237. April 27, 1916

  238. April 28, 1916

  239. April 29, 1916

  240. May 1, 1916

  241. May 2, 1916

  242. May 3, 1916

  243. May 4, 1916

  244. May 5, 1916

  245. May 6, 1916

  246. May 8, 1916

  247. May 9, 1916

  248. May 10, 1916

  249. May 11, 1916

  250. May 12, 1916

  251. May 13, 1916

  252. May 15, 1916

  253. May 16, 1916Sykes-Picot Agreement

  254. May 17, 1916

  255. May 18, 1916

  256. May 19, 1916

  257. May 20, 1916

  258. May 22, 1916

  259. May 23, 1916

  260. May 24, 1916

  261. May 25, 1916