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September 1 – 3: On the first school day in Russia, a group of Chechen terrorists held students, parents and teachers hostage in Beslan school, in North Ossetia–Alania. During three days under attack, 334 people died. October 23 – 27: Boston Red Sox wins the World Series for the first time since 1918, ending the Curse of the Bambino.
The 21st century is the current century in the Anno Domini or Common Era, in accordance with the Gregorian calendar. It began on 1 January 2001 and will end on 31 December 2100. It is the first century of the 3rd millennium.
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- Magic Lantern
- Pencil
- Chalkboard
- Ballpoint Pen
- Overhead Projector
- Photocopier
- Handheld Calculator
- The Osborne 1 Laptop
- World Wide Web
Inventor:Christiaan HuygensA Brief History:An ancestor of the slide projector, the magic lantern projected glass slides with light from oil lamps or candles. In the 1680s, the technology was brought to the education space to...Interesting Fact:Huygens initially regretted his creation, thinking it was too frivolous.Inventor:Nicolas-Jacques ContéA Brief History: Versions of the pencil can be traced back hundreds of years, but what’s considered the modern pencil is credited to Conté, a scientist in Napoleon Bonaparte’s army. It made its imp...Interesting Fact:The Aztecs used a form of graphite pencil in the 13th century.Inventor:James PillansA Brief History:Pillans — a headmaster at a high school in Edinburgh, Scotland — created the first front-of-class chalkboard, or “blackboard,” to better teach his students geography with large maps...Interesting Fact:Before chalkboards were commercially manufactured, some were made do-it-yourself-style with ingredients like pine board, egg whites and charred potatoes.Inventory:John L. LoudA Brief History:John L. Loud invented and patented the first ballpoint pen after seeking to create a tool that could write on leather. It was not a commercial success. Fifty years later, following...Interesting Fact:When ballpoint pens debuted in the U.S., they were so popular that Gimbels, the department store selling them, made $81 million in today’s money within six months.Inventor:Roger AppeldornA Brief History:Overhead projects were used during World War II for mission briefings. However, 3M employee Appeldorn is credited with creating not only a projectable transparent film, but also the...Interesting Fact: Appeldorn’s creation is the predecessor to today’s bright and efficient laser projectors.Inventor:Chester CarlsonA Brief History:Because of his arthritis, patent attorney and inventor Carlson wanted to create a less painful alternative to making carbon copies. Between 1938 and 1947, working with The Haloid Ph...Interesting Fact: Haloid and Carlson named their photocopying process xerography, which means “dry writing” in Greek. Eventually, Haloid renamed its company (and its flagship product line) Xerox.Inventor: Texas InstrumentsA Brief History: As recounted in our history of the calculator, Texas Instruments made calculators portable with a device that weighed 45 ounces and featured a small keyboard with 18 keys and a vis...Interesting Fact: The original 1967 prototype of the device can be found in the Smithsonian Institution’s National Museum of American History.Inventor:Adam Osborne, Lee FelsensteinA Brief History: Osborne, a computer book author, teamed up with computer engineer Felsenstein to create a portable computer that would appeal to general consumers. In the process, they provided th...Interesting Fact:At 24.5 pounds, the Osborne 1 was about as big and heavy as a sewing machine, earning it the current classification of a “luggable” computer, rather than a laptop.Inventor:Tim Berners-LeeA Brief History:In the late 1980s, British scientist Berners-Lee created the World Wide Web to enable information sharing between scientists and academics. It wasn’t long before the Web could conne...Interesting Fact:The first web server Berners-Lee created was so new, he had to put a sign on the computer that read, “This machine is a server. DO NOT POWER IT DOWN!”nobody counted 0-100ce as the first century. what we call the first century is really the second century. It's confusing. just add one humdred to the year to get the century term. 2000 is the 21st century. 1800+100 is the 19th century. do you understand?
Jul 21, 2021 · Cooperative learning is another method of teaching considered vital to today’s educational environment. Students can be put into small groups to complete certain tasks. “Cooperative learning is beneficial because knowledge is exchanged and converges through social interaction” (Weinberger, Stegmann, & Fischer, 2007, p. 416).
Jun 22, 2023 · Study 21st century U.S. history. See a 21st century timeline of major events in U.S. history and review the most impactful events, including 9/11 and the ACA. Updated: 06/22/2023.
21st Century America. The 21st century has brought about some huge changes to American society, and there are still nearly two decades remaining in the century. We’re going to take a look at some of the biggest events that took place in America during the 21st century so far.
