Start of World War I
About this Event
Jul 28, 1914 - Austria-Hungary declared war on Serbia, marking the beginning of World War I.
Monday
July 28, 2025
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12:00 am
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11:59 pm
About
World History Calendar
Explore Key Events in World History with our World History Dates Calendar
Stay informed and inspired with the World History Dates Calendar – your go-to source for daily historical events, famous birthdays, major milestones, and turning points that shaped the world. From ancient civilizations and wars to revolutions, discoveries, and cultural achievements, this calendar delivers a curated list of important history dates right to your device.
Perfect for students, educators, history buffs, and trivia lovers, this always-updated calendar helps you learn something new about world history every day.
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Jan 1
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