2000's Timeline

On March 21, 2006, Jack Dorsey, Evan Williams, Biz Stone, and Noah Glass launched Twitter. Twitter is now one of the most popular social media services with more than 330 million monthly active users.

On January 4, 2007, Nancy Pelosi became the first female Speaker of the U.S. House of Representatives.

On April 16, 2007, Seung-Hui Cho shot 49 people on the Virginia Tech campus with two semi-automatic pistols, killing 32 and wounding 17. This brought about widespread criticism of U.S. gun culture.

On June 29, 2007, Apple launched the first iPhone. There are now 700 million iPhones used worldwide.

In December of 2007, the late-2000s recession hit the United States. This was a period of economic decline in world markets.

On August 17, 2008, Michael Phelps won his eight gold medal at the Beijing Summer Olympics. On this date, he passed fellow American swimmer Mark Spitz's 1972 record of seven first-place finishes at any single Olympic Games.

Between September 1 and September 15, 2008, Hurricane Ike killed 100 people along the Texas coast. Is also produces $31 billion in damage.

On November 4, 2008, Barack Hussain Obama was elected President of the United States. He received 365 electoral votes, while his opponent, John McCain, received 173 votes. This was a very influential time in history as Obama was the first African American elected President of the United States.

On June 25, 2009, Michael Jackson died. It was determined that his death was a homicide. Michael Jackson was known as the "King of Pop" and was a best-selling American singer, songwriter and dancer.

On November 5, 2009, Nidal Malik Hasan, a U.S. Army major and psychiatrist fatally shot 13 people and injured 31 at Fort Hood.