What year was the United Nations founded?

In what year did the Berlin Wall fall?

In which year did the Soviet Union collapse, leading to the end of the Cold War?

In which year did India gain independence from British rule?

When was the World Wide Web publicly introduced?

When was the first human heart transplant performed?

In what year did the First World War begin?

What year marked the beginning of World War II?

When was the original iPhone released?

In what year did the French Revolution begin?

What year was Facebook founded?

In which year was the first modern Olympic Games held?

What year was the Declaration of Independence of the United States adopted?

In what year did the Chernobyl nuclear disaster occur?

When did Neil Armstrong and Buzz Aldrin land on the moon?

When did the construction of the Great Wall of China begin?

When did the Great Fire of London occur?

In which year was Nelson Mandela released from prison?

When was the first successful printing press invented by Johannes Gutenberg?

What year did the Titanic sink on its maiden voyage?