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On 11 September 2001, 19 al-Qaeda terrorists hijacked four planes and crashed them into the World Trade Center in New York and the Pentagon in Washington DC. Nearly 3,000 people were killed in the deadliest terrorist attacks on American soil in history. These attacks led to improved security to board planes and a global war on terror that involved military interventions, increased security measures, economic losses and political changes in many countries. Picture: National Geographic -
Hurricane Katrina was a powerful storm that hit the southeastern United States in August 2005. It caused massive flooding, damage and deaths, especially in New Orleans. Katrina was one of the deadliest and costliest hurricanes in U.S. history . It led to new disaster response teams being developed in addition to other natural disaster responses on the federal level. It also led to more awareness. Picture: Britannica -
The first iPhone was introduced by Steve Jobs in January 2007 as a combination of an iPod, a phone and an Internet communicator. It featured a touch-sensitive interface, a large display, a camera and various apps. The iPhone revolutionized the smartphone market and influenced many other industries, such as media, entertainment, gaming, education and health. Picture: Steve Jobs holding the first iPhone (Steve Sakuma) -
The Great Recession was a global economic downturn that lasted from 2007 to 2009. It was caused by a collapse of the housing market and a financial crisis that spread across the world. The Great Recession had significant impacts on unemployment, income inequality, poverty, and social unrest. Picture: Ariel Skelley -
The Covid 19 pandemic was a global health crisis caused by a new coronavirus that emerged in late 2019. It infected millions of people, killed over 4 million, and disrupted social and economic activities around the world. The pandemic also led to unprecedented scientific collaboration, vaccine development, and public health measures to contain the virus and protect the vulnerable. Picture: Covid Cell (BlackJack3D)