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   When does the 21st century start and end?

   • The 21st century began on January 1, 2001 and will end on December 31, 2100 . Note: years before or after the twenty-first century are in italics .

   21st century - Simple English Wikipedia, the free encyclopedia

   simple.wikipedia.org/wiki/21st_century

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   What happened in the 21st century?

   • From smartphones to social media and healthcare, here's a brief history of the 21st century's technological revolution. Just over 20 years ago, the dotcom bubble burst, causing the stocks of many tech firms to tumble. Some companies, like Amazon, quickly recoveredtheir value – but many others were left in ruins.

   Here’s how technology has changed the world since 2000

   www.weforum.org/agenda/2020/11/heres-how-technology-has-changed-and-changed-us-over-the-past-20-years/

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   Why is the 21st century important?

   • The beginning of the 21st century will be remembered by global concerns over terrorism, global warming, the rise of the global economy, and private enterprises, to name a few. Many natural and man-made disasters made their impact on the world, as well as technological and scientific advancements.

   The 10 Most Important Events In The 21st Century - WorldAtlas

   www.worldatlas.com/articles/the-10-most-important-events-in-the-21st-century.html

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   Did people really destroy the planet in the 21st century?

   • Throughout history, people have done their best to try and ultimately destroy the planet. Throughout history, people have done their best to try and ultimately destroy the planet. And in the 21st century, we finally started to feel the catastrophic consequences of it.

   The Most Impactful Moments Of The 21st Century - WorldAtlas

   www.worldatlas.com/articles/the-most-impactful-moments-of-the-21st-century.html

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2. en.wikipedia.org › wiki › 21st_century21st century - Wikipedia

   en.wikipedia.org › wiki › 21st_century

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   Learn about the current century in the Common Era, from its beginning in 2001 to its end in 2100. Explore the major social, political, economic, scientific, and cultural developments and challenges of the 21st century.

3. www.history.com › topics › 21st-century21st Century: Terrorism, Recession & COVID-19 | HISTORY

   www.history.com › topics › 21st-century

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   Learn about the major events and trends that shaped the 21st century, from the 9/11 attacks and the war on terrorism to the Great Recession and the COVID-19 pandemic. Explore topics, videos, stories and timelines on HISTORY.com.

4. Videos

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     Yuval Noah Harari | 21 Lessons for the 21st Century | Talks at Google

     Oct 11, 2018

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     10 Most Rewatchable Movies Of The 21st Century

     Feb 25, 2017

     7.1M Views

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     21st century education: What should 21st century learning consist of? 🎓

     Dec 15, 2012

     75.2K Views

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5. www.vox.com › 2019/9/26 › 20880334Is this the most important century in human history? - Vox

   www.vox.com › 2019/9/26 › 20880334

   Sep 26, 2019 · A philosophical debate about the critical importance of the 21st century, given the existential risks and opportunities it poses for humanity. Learn about the arguments for and against this view, and how it affects our actions and priorities.

   • Author: Kelsey Piper

6. www.weforum.org › agenda › 2020Here’s how technology has changed the world since 2000

   www.weforum.org › agenda › 2020

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   Nov 18, 2020 · How has technology changed the world since 2000? This article explores the impact of technology on media, climate, healthcare and more, with examples of emerging tech firms and challenges.

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7. history.howstuffworks.com › historical-events › 2020 Memorable Moments of the 21st Century So Far

   history.howstuffworks.com › historical-events › 20

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   • Smartphones Are Everywhere. What did we ever do before the invention of the smartphone? KARRASTOCK/Getty Images. Apple rolled out its first smartphone — a hand-held computer and mobile phone mashed into one — in 2007.
   • Social Media Sites Take Off. With the handiness of a computer in our pockets, social media became the method of communication for billions around the world.
   • We Now Connect Via WiFi. "We stand," declared Wired magazine in 2003, "at the brink of a transformation." The article was titled "The Wi-Fi Revolution," and the technology, indeed, was ground-shaking.
   • Memes and Emojis Spread Like Wildfire. Memes, like "the distracted boyfriend," are now part of our everyday lexicon. Wikimedia. That smiley face, that shrugging guy, the finger gun, the tears of joy.

8. www.bbc.com › future › article50 grand challenges for the 21st Century - BBC

   www.bbc.com › future › article

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   Apr 1, 2017 · We asked experts from the world of science and technology to describe the societal challenges that they think matter in 2017 and beyond. Read the full list of responses below. Over the past month ...

9. www.nytimes.com › 2018/09/04 › booksWhat Are the Biggest Problems Facing Us in the 21st Century?

   www.nytimes.com › 2018/09/04 › books

   Sep 4, 2018 · These are admittedly big questions, and this is a sweeping book. There are chapters on work, war, nationalism, religion, immigration, education and 15 other weighty matters. But its title is a ...