• State History: Oklahoma
  Resources from our database.
• Celebrate the Century: Search the Web for U.S. History of the 1900s
  In this Internet scavenger hunt, students learn about the stories behind the stamps issued by the U.S. Postal Service commemorating the people, places, events, and trends of the first decade of this century. Explore Web sites related to the Wright brothers and Frank Lloyd Wright, Ellis Island and the St. Louis World's Fair, and more!
• Turn of the Century Child
  Turn-of-the-Century Child is a set of interdisciplinary social studies lesson plans that utilize a set of historic photos of American children taken between 1900 and 1920.

1st Steamer crossed Atlantic Ocean (1838)

AIDS identified and announced by American Dr. Robert Gallo even though it had been discovered earlier in France (1984)

• HIV/AIDS Education Isn't Only for Health Class! (It's for English, Math, Science, Spanish…)
  A special multidisciplinary curriculum has transported HIV/AIDS education out of it relegated position in America's school health classes and moved it into other areas of the curriculum where it belongs!

Brazil discovered (1500)

Earth Day

• EARTHDAY.org
• What On Earth Are You Doing For Earth Day?
• Earth Day

Girl Scout Leader's Day

Immanuel Kant Born

J. Robert Oppenheimer Born

• History: Atomic Bomb
  Resources from our database.

Nikolai Lenin Born

Poison Gas 1st used in warfare (by Germany; 1915)