The document provides a timeline of notable events that occurred in 2013 across various categories including technology, disasters, world events, deaths, sports, and movies. Some of the key events included the first 3D printed ear, the launch of Bitcoin as a digital currency, cloning of human stem cells, and India's successful Mars Orbiter Mission. Major disasters involved deadly accidents such as building collapses in Bangladesh and Savar that killed over 1,000 people total, as well as severe weather events like typhoon Haiyan in the Philippines that caused over 6,000 deaths. In world events, Benedict XVI resigned as Pope and Edward Snowden revealed details of NSA surveillance operations. Famous people who died included Hugo Chavez, Margaret