The Assassination of Archduke Franz Ferdinand in 1914 sparked World War I, altering the course of history.
The Fall of the Berlin Wall in 1989 symbolized the end of the Cold War and the reunification of Germany.
The Dropping of the Atomic Bombs on Hiroshima and Nagasaki in 1945 brought an end to World War II.
The Declaration of Independence in 1776 marked the birth of the United States as a sovereign nation.
The Moon Landing in 1969 demonstrated mankind's ability to reach beyond Earth's boundaries.
The Invention of the Internet in the late 20th century revolutionized communication and information sharing.