| The Encyclopedia of World History. 2001. |
| 1914, June 24 | |
| Prince Alexander, heir to the throne, was proclaimed regent for the deranged king. | 1 |
| June 28 | |
| Assassination of Archduke Francis Ferdinand at Sarajevo. | 2 |
| July 28 | |
| Austria-Hungary declared war on Serbia. (See Yugoslavia) | 3 |
| The Encyclopedia of World History, Sixth edition. Peter N. Stearns, general editor. Copyright © 2001 by Houghton Mifflin Company. Maps by Mary Reilly, copyright © 2001 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. | |
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