2nd millennium explained to kids

The second millennium was a period of time that began on January 1, 1001, and ended on December 31, 2000. It was the second period of the millennium. During the second millennium, humans made great advances in science, technology, and medicine. We also started to explore and colonize the rest of the solar system. Some of the most important events that happened during the second millennium include: -The first powered flight by the Wright brothers -The first moon landing by Neil Armstrong -The fall of the Berlin Wall -The launch of the Hubble Space Telescope During the second millennium, the world population more than tripled, from about 1.6 billion people in 1000 to over 6 billion people by the end of 2000.