Human voice first recorded (1877)

Robert Mills, US architect (Washington Monument) born (1781)

• Teaching with Historic Places
  Resources to enrich the teaching of history, civics, and other subjects using properties listed in the National Register of Historic Places.

Katharine Lee Bates, author (America the Beautiful), born (1859)

Henry Fonda, actor (On Golden Pond, Grapes of Wrath), died (1982)

William Blake, English writer, died (1827)

• 9-12 Literature & Poetry Center
  Resources and tools from our Language & Literature Center.

William Booth, founder of the Salvation Army, died near London in 1912

The peace protocol ending the Spanish-American War was signed (1898)

Henry Ford introduced the Model T (1908)

• Celebrate Henry Ford's Life with a New Bio!
  April 7 is the anniversary of Henry Ford's death. Ford's life is the focus of a new bio for young readers by author Catherine Gourley.
• Automotive Learning Online
  Here users will find over one hundred illustrations and even more links about the automobile.
• Planes and Trains and Automobiles … and Study Skills!
  Celebrate National Transportation Month -- "transport" students to a dozen activities that provide practice in reading maps, schedules, timetables, and more. Included: Four study skills teaching master activities for students!

Ponce de Leon arrived in Florida (1508)

Isaac Singer granted patent for his sewing machine (1851)

• Inventors and Inventions
  Great sites on inventors and inventions.

Thomas Edison invented the Edisonphone, a sound recording device (1877)

• A Study of Inventions Promotes Thinking 'Outside the Box'!
  An inventive-thinking unit that will challenge your students to think "outside the box." .
• Inventors and Inventions
  Great sites on inventors and inventions.

King Philip's War (vs Wampanoag Indians) ended in New England (1676)

President Andrew Johnson defied Congress by suspending Secretary of War Edwin Stanton (1867)

First Giant Panda born in captivity (1980)

• It's a Zoo Out There!-- The Best Zoo Sites on the Web!
  An inventive-thinking unit that will challenge your students to think "outside the box." .

Dr. Lister first demonstrated antiseptic (1865)

Hawaii formally annexed to the US (1898)

• State History: Hawaii
  Resources from our database.
• Great Sites for Teaching about Hawaii
  The best on the Web for teaching about Hawaii.

IBM introduced the PC and PC-DOS version 1.0 (1981)

• Teaching Technology
  Resources and tools from our Technology Center.
• Technology in the Classroom
  Articles and advice on using Technology in the classroom.
• Technology Center
  Resources and tools for teaching with and about technology
• Get Ready to Integrate Technology: 10 Tips

Last American combat ground troops left Vietnam (1972)