Ivy Lee: The Pioneer of Corporate Spin (1914)
Video: “The Father of Public Relations: Ivy Lee and the Rockefellers” (History Channel / Biography)
Primary Source: The “Declaration of Principles” by Ivy Lee (1906) – The founding document of modern PR
Article: “The Ludlow Massacre and the Birth of Corporate Spin” (Smithsonian Magazine)
Interactive Timeline: “The Evolution of Public Relations” (Museum of Public Relations)
Book: The Father of Spin: Edward L. Bernays and the Birth of Public Relations by Larry Tye (contextualizing Lee’s influence)

World War I (1914 – 1918)
Video: “WWI Technology: Tanks, Planes, and Gas” (BBC Bitesize)
Interactive Map: “Europe Before and After WWI” (National WWI Museum)
Primary Source: Woodrow Wilson’s Fourteen Points (1918)
Book: To End All Wars by Adam Hochschild
Article: “How Oil Shaped the First World War” (Imperial War Museums, UK)

The 19th Amendment (1920)
Video: “The 19th Amendment: A Woman’s Right to Vote” (National Constitution Center)
Primary Source: The Declaration of Sentiments (Seneca Falls Convention) and the text of the 19th Amendment
Book: Vanguard: How Black Women Broke Barriers, Won the Vote, and Insisted on Equality for All by Martha S. Jones
Article: “Beyond the 19th Amendment: The Long Fight for Voting Rights” (Smithsonian Magazine)
Interactive: “The Intersection of Labor Movements and Suffrage” (National Women’s History Museum)

The Callendar Effect (1938)
Video: “The Forgotten Scientist Who Predicted Climate Change” (BBC Ideas)
Primary Source: Callendar (1938), Royal Meteorological Society
Website: NASA Earth Observatory – History of Climate Science
Book: The Discovery of Global Warming by Spencer Weart
Interactive: “CO2 and Temperature Trends” (NOAA Climate Dashboard)

World War II (1941 – 1945)
Video: “Oil and World War II: The Fuel of Victory” (History Channel)
Map: “Oil Supply Routes During WWII” (U.S. EIA Archives)
Primary Source: U.S. Embargo Announcement on Japan (1941)
Book: The Prize by Daniel Yergin
Article: “How Energy Changed the Second World War” (BBC Future)

The Birth of the United Nations (1945)
Video: “The Founding of the United Nations” (UN Audio-Visual Library)
Primary Source: The UN Charter (1945)
Interactive: “Founding Members of the United Nations” (UN.org)
Book: The United Nations: A Very Short Introduction by Jussi M. Hanhimäki
Website: UN History – 1945 San Francisco Conference

The Trusteeship Council (1945 – 1994)
Video: “Decolonization and the Trusteeship Council” (UN Web TV)
Primary Source: UN Charter, Chapters XII-XIII on Trusteeship
Interactive Map: “From Colonies to Nations” (United Nations Digital Library)
Book: The United Nations and Decolonization by Tasneem Meenai
Article: “The Trusteeship Council: A Quiet Success Story” (UN Chronicle)

Mass Consumerism (1945-Today)
Article: “A Brief History of Consumer Culture” (MIT Press Reader)
Video: The Story of Stuff
Primary Source: 1950s Advertising Collection (Library of Congress)
Interactive: Global Footprint Calculator
Video Lesson: “Plastics and the Ocean” (NOAA)
Book: Stuff: The Secret Lives of Everyday Things by John C. Ryan

Indian Independence Act (1947)
Video: “The Partition of India: The Day the World Changed” (BBC World Service)
Interactive Map: “The Radcliffe Line: Mapping the Partition” (National Archives of India / British Library)
Primary Source: The full text of the Indian Independence Act 1947 (UK National Archives)
Book: The Other Side of Silence: Voices from the Partition of India by Urvashi Butalia.
Article: “The Midnight Constitution: How India and Pakistan Were Born” (Al Jazeera)
Website: The Partition Museum Digital Archive (Amritsar)

The Universal Declaration of Human Rights (1948)
Video: “The Story of the Universal Declaration of Human Rights”
Primary Source: Full text of the UDHR (1948)
Book: Eleanor Roosevelt and the Universal Declaration of Human Rights by Mary Ann Glendon
Interactive: “Explore the UDHR” (United for Human Rights)
Website: UN Human Rights Office – 75 Years of the UDHR

The Marshall Plan (1948)
Video: “The Marshall Plan Explained” (BBC World History)
Primary Source: Marshall’s Harvard Speech (1947)
Interactive: “Europe Rebuilds: Aid and Recovery” (Marshall Foundation Digital Archive)
Book: The Marshall Plan: Dawn of the Cold War by Benn Steil
Article: “Energy, Industry, and the Hidden Carbon Legacy of the Marshall Plan” (Smithsonian Magazine)

Maria Montessori develops Cosmic Education (1948)
Video: “Cosmic Education: The Heart of Montessori” (AMI)
Primary Source: Maria Montessori, To Educate the Human Potential (1948)
Book: Montessori: The Science Behind the Genius by Angeline Stoll Lillard
Website: Association Montessori Internationale – Cosmic Education
Article: “Education for Peace” (NAMTA Journal)