1900-1920

  • Vacuum cleaners were created by Cecil Booth

  • Theodore Roosevelt becomes president

  • Air conditioner were created by Willies Haviland Carrie

  • The pure food and drug act

  • William Howard Taft becomes president

  • First assembly line

  • Start of world war one

  • Congress declares war

A list shows items. A timeline shows sequence.

Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.