9 April 2026
Wars – Causes, Events, and Consequences
Introduction
In human history, wars have created major turning points. Factors such as politics, economy, territory, and ethnic identity lead to wars. From ancient times to the modern era, the nature and impact of wars have evolved.
Timeline
146 BCE → Romans destroyed the city of Carthage
28.06.1914 → Assassination of Archduke Franz Ferdinand
1914–1918 → First World War
1919 → Treaty of Versailles
01.09.1939 → Germany invaded Poland
1939–1945 → Second World War
06.08.1945 & 09.08.1945 → Atomic bombings of Hiroshima and Nagasaki
1949 → Geneva Conventions
1977 → Additional Geneva Protocols
Causes of Wars
1. Economic Causes
Control over crude oil and rare mineral resources
Acquisition of fertile lands
Water resources and border disputes
2. Political Causes
Dictatorship vs Democracy
Imperialist expansion policies
3. Nationalism
Ethnic and national conflicts
Example: Serbian nationalism → 1914 assassination
First World War (1914–1918)
Cause:
28.06.1914 → Assassination of Franz Ferdinand
Event:
Austria vs Serbia
Russia, Germany, and other European nations participated
Consequences:
Approximately 10 million soldiers died
Millions of civilians were affected
Second World War (1939–1945)
Cause:
Violation of the Treaty of Versailles
01.09.1939 → Germany invaded Poland
Major Powers:
Nazi Germany (Hitler)
Fascist Italy (Mussolini)
Japan
Major Events:
06.08.1945 → Hiroshima atomic bombing
09.08.1945 → Nagasaki atomic bombing
Consequences:
Millions of people died
Global political transformation
War and Humanitarian Laws
Geneva Conventions (1949)
Protection of civilians
Protection of wounded soldiers
Rights of prisoners of war
1977 Additional Protocols
Prohibition of attacks on civilians
Protection of property
Modern Wars (Current Relevance)
Russia–Ukraine War (2022– )
Middle East conflicts
High civilian impact
International laws are often violated
Consequences
Humanitarian Impact
High civilian casualties
Refugee crisis
Economic Impact
Global economic crisis
Increase in oil prices
Political Impact
Formation of new nations
Shift in global power balance
Important Exam Points
Start of WW1 → 1914 (Assassination)
Start of WW2 → 1939 (Invasion of Poland)
Geneva Conventions → 1949
Atomic bombings → 1945
Causes → Economic + Political + Nationalism
Summary
Wars have caused massive destruction in human history. Resources, power, and nationalism are key drivers of wars. World wars reshaped global political and economic systems. Although humanitarian laws exist, they are not properly implemented in many cases.