Markers are dates one can use to orient oneself in historical context. Markers should help correlate fundamental technical, social, and economic changes.

This set of Markers focuses on the Common Era (CE) scope. These markers are eurocentric since Europe has profoundly impacted nearly every society around the globe.

note The roots of World War I and World War II are more complex than a simple date. The tensions and causes of the world wars can be traced back years earlier.

Reasoning

Why Jesus?

AD

Why Jesus, Muhammad, Luther?

Religion.

Why not Moses, Confucius, and Buddha?

  • Moses (? > 1000 BCE)
  • Confucius (551–479 BCE)
  • Buddha (? 600 - 500 BCE)

These leaders movements while extremely impactful, were founded much earlier and are outside the CE scope.

Why American Civil War?

Slavery. Signals significantly changing attitudes about slavery which had existed for much of previous history.

Many people had opposed slavery long before the American Civil War. For example, the United Kingdom's Slavery Abolition Act of 1833 provided for the gradual abolition of slavery in many parts of the British Empire.

The American Civil War was chosen because the path to war emphasizes how contentious the issue of slavery was and how entrenched slavery was into the global economic system. Slavery was so contentions that it caused a massive war, that killed between a half million to a million people.

The American Civil War also highlights many technological innovations of the era including: Mass Production, Repeating Rifles, Iron ships, Submarines, Railroads, Balloons, Photography, Telegraph, and more.

Why the United States Constitutions 19th Amendment?

Women's Suffrage. Signals a change in the power possessed by women.

The Women's suffrage and Women's rights movements highlight the changing role of women in society. Organization of women began far before the passage of women's suffrage laws. One example is the 1840 Seneca Falls Convention.

The United States was not the first country to allow women to vote. Many European countries passed laws that gave women the right to vote in 1918 (Some countries passed laws before 1918).

Why the Indian Independence Act?

The Indian Independence Act highlights the legacy of European imperialism and how European ideas shaped a country.

Why the declaration of the Peoples Republic of China?

The Declaration of the Peoples Republic of China highlights another outcome of imperialism and again how European ideas were adopted and shaped a country.

Why Apollo 11?

Cold War. Technological Marvel. Television. Computing.

Why iPhone?

Exemplifies a new era of communication technology and instant access to information. The networked mobile computing revolution has reshaped: banking, payment, shopping, delivery, media, and social interaction.