The events and countries involved in the nuclear arms race are profiled. Text plus a colored graphic flowchart make the topic visually appealing and of interest to both students and educators.

A comprehensive look at the 50 years of nuclear testing in Nevada through oral histories of the participants. In addition to the histories, the site includes a timeline, information about the test sites, and videos.

A comprehensive site on the colonization of New Netherland by the Dutch. Find maps, pictures, and artifacts on this interesting tour.

The Skyscraper Museum is dedicated to the tallest buildings in the world, most of which are in New York City, the museum's home. Learn about both how and why skyscrapers reach greater and greater heights.

Detailed background information and a collection of resources are provided to help one understand the history of the bombings of Hiroshima & Nagasaki. Material consists of original texts, eyewitness accounts, photographs, videos, and...

The Welikia Project examined what the landscape of New York City looked like in 1609. Use the map to explore the city then and compare it to today. Provides a collection of thirteen lessons for upper elementary but which can be adapted...

A page provided by the Brookings Institution which lists 50 "facts" about U.S. Nuclear Weapons. Good place to start for basic (and sometimes interesting) statistics. (Published April 28, 2014)

This article from the Seattle Times describes the dawning of the atomic age. Illustrates the events of the detonation of the first atomic bomb in Trinity, New Mexico, just before the Hiroshima bomb.

Outstanding, very readable website that includes major sections on Trinity, Nevada Test Site, and Hanford (where plutonium for original bomb was made). Contains links to other related websites.

J. Robert Oppenheimer is credited with the creation of the atomic bomb. But, "The country asked him to do something and he did it brilliantly, and they repaid him for the tremendous job he did by breaking him." This documentary traces...

Talks about the Church Street Station Post Office in New York City that was very near Ground Zero, and how the postal service continued to work post 9/11 in that area.

Looks at America's involvement in the Pacific Campaign, and the decision to use the atomic bomb against Japan and the impact it had.

This archive from the American Social History Project uses multimedia and digital means to collect, preserve, and present the history of September 11. There are audio tapes, video, documents, and personal stories on this site. It is the...

A site that captures the heartfelt reactions, eyewitness accounts, and diverse opinions of Americans and others in the months that followed the terrorist attacks on the World Trade Center, the Pentagon, and United Airlines Flight 93.

This museum site takes the visitor on an inside track of the Los Alamos Laboratory. Find out more about the mission of the laboratory when you visit this site.

Although the Americans suffered severe setbacks for months after independence was declared, their tenacity and perseverance eventually paid off. During August 1776, in the Battle of Long Island in New York, Washington's position became...

A photograph of State Street in Chicago and George Bellows' painting of Lower Manhattan, both depicting the vigorous, gritty, energetic urban life in the early-twentieth century.

Essay on how the Dutch laid claim to Manhattan Island and Albany, home to indigenous peoples, establishing themselves in banking, insurance and shipbuilding.

This page details the damages and injuries caused by the Hiroshima and Nagasaki atomic bombs. The information comes from Chapter 3 of the book The Atomic Bombings of Hiroshima and Nagasaki by The Manhattan Engineer District, published in...

Teflon was in the spacesuits the Apollo crew wore for the moon landing, in pipes and valves used in the Manhattan project, and it may be in your kitchen, as the nonstick coating on frying pans and cookie sheets. So what is this slippery...

Provides six historical illustrations of the New Amsterdam colony on Manhattan Island.

This is the full text of the book The Golden Slipper by Anna Katharine Green, a collection of mystery stories featuring Violet Strange. "A daring debutante solves the crimes of upper-crust Manhattan in this groundbreaking story...

Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.

The iconic twin towers of downtown Manhattan's World Trade Center were a triumph of human imagination and will. Completed in 1973, the towers stood at 110 stories each, accommodating 50,000 workers and 200,000 daily visitors in 10...