September 11 attacks2001 terror attacks in the U.S.The September 11 attacks, colloquially known as 9/11, were a coordinated series of suicide attacks perpetrated by the Islamic terrorist organization al-Qaeda against the United States in 2001. A total of 19 hijackers commandeered four commercial passenger airliners.
2000sDecade of the Gregorian calendar (2000–2009)Clockwise from top-left:The Twin Towers of the original World Trade Center on fire and the Statue of Liberty on the left during the terrorist attacks on September 11, 2001;The euro enters into European currency in 2002;A statue of Saddam Hussein being toppled during the Iraq War in 2003, and in 2006, Saddam would be executed for crimes against humanity;U.S. troops heading toward an army helicopter in Afghanistan as part of the war on terror;Social media platforms and the internet become widely popular;A Chinese soldier gazes at the 2008 Summer Olympics commencing in Beijing;The 2008 financial crisis, the largest financial crisis since the Great Depression;A tsunami from the Indian Ocean earthquake kills over 230,000 in 2004, and becomes the strongest earthquake since the 1964 Alaska earthquake.The 2000s (pronounced "two-thousands"; shortened to the '00s) was the decade that began on January 1, 2000, and ended on December 31, 2009.
Al-Qaedaal-Qaeda is a pan-Islamist militant organization led by Sunni Islamist jihadists who self-identify as a vanguard spearheading a global Islamist revolution to unite the Muslim world under a supra-national Islamic caliphate. Its membership is primarily composed of Arabs, with additional representation from other ethnic groups.
Casualties of the September 11 attacksThe September 11 attacks were the deadliest terrorist attacks in human history, causing the deaths of 2,996 people, including 19 hijackers who committed murder–suicide and 2,977 victims. Thousands more were injured, and long-term health effects have arisen as a consequence of the attacks.21st centuryThe 21st century is the current century in the Anno Domini or Common Era, in accordance with the Gregorian calendar. It began on 1 January 2001, and will end on 31 December 2100. It is the first century of the 3rd millennium. The rise of a global economy and Third World consumerism marked the beginning of the century, along with increased private enterprise and deepening concern over terrorism after the September 11 attacks on the United States in 2001.
3rd millenniumThe third millennium of the Anno Domini or Common Era is the current millennium spanning the years 2001 to 3000. It began on January 1, 2001 (MMI) and will end on December 31, 3000 (MMM), (21st to 30th centuries; in astronomy: JD2451910.5 – 2817151.5). Ongoing futures studies seek to understand what will likely continue and what could plausibly change in this period and beyond.War on terrorBelligerentsMain countries:United StatesUnited KingdomIsraelGermanyItalyCanadaFranceAustraliaNew ZealandNetherlandsPolandRussiaTurkeyMain opponents:Al-QaedaIslamic StateIslamic Emirate of Afghanistan (Taliban)Ba'athist IraqIranVenezuelaCommanders and leadersGeorge W. BushBarack ObamaJoe BidenDonald TrumpOsama bin LadenXAyman al-ZawahiriXAbu Bakr al-BaghdadiXSaddam HusseinCasualties and losses Per Costs of War Project:4.5–4.6 million+ people killed(937,000+ direct deaths incl…
Anno DominiCalendar era based on the birth of Jesus Anno Domini (AD) and before Christ (BC) qualify years in the Gregorian and Julian calendars, whose epoch is the traditional year of the conception or birth of Jesus. AD counts years since the epoch, BC the years before the epoch. Anno Domini is Medieval Latin for "in the year of the Lord", often read as "our Lord".
Roman numeralsNumbers in the Roman numeral systemRoman numerals on stern of the ship Cutty Sark showing draught in feet. The numbers range from 13 to 22, from bottom to top.Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages.
Common EraEra names equivalent to AD/BC Today(at UTC+00)Tuesday, 8 September 2026Common Era8 September 2026 CE Other calendars Akan Fobene Armenian 20 Hoṙi 1476 Aztec Tititl 1, 8 Ātl Babylonian 25 Abu, 2337 SE Balinese pawukon Menga, Pasah, Jaya, Pon, Tungleh, Anggara of Menail, Guru, Dangu, Pandita Bengali 24 Bhadro, BS 1433 Chinese Yin Wood Rooster・Turtle Beak Mansion27 Qīyuè, Bǐngwǔnián(Bailu, 15 days until Qiufen) Common Era 8 September 2026 CE Coptic 3 Nesi, AM 1742 Egyptian 25 Tybi, 2775 NE Ethiopian 3 Pāguemēn, 2018 Amätä Məhrät French Republican Décade III, Duodi de Fructidor de l'Année 234 de la République Gregorian 8 September, AD 2026 Hebrew 26 Elul, AM 5786 Hindu Puṣya・VarīyasSolar: 23 Bhādrapada, 1948 SELunisolar: Dvādaśī, Kṛishna pakṣa of Śrāvaṇa, 2083 VERāudra・5127 KY・1,872,826 Icelandic Þriðjudagur, 15 Tvímánuður 2026 Islamic 25 Rabi' al-awwal, AH 1448 (using tabular method) ISO week date 2026-W37-2 Japanese 27 Fumizuki, Reiwa 8(Hakuro, 15 days until Shūbun) Julian 26 August, AD 2026 (AM 7534) Julian day 2461292 Maya 13.0.13.16.92 Chen, 8 Muluc Roman ante diem VII Kalendas Septembres, MMDCCLXXIX AUC Solar Hijri 17 Shahrivar, SH 1405 Tibetan 27 gro bzhin, me pho rta2153 or 1772 or 1000 [refresh] Common Era (CE) and Before the Common Era (BCE) are conventions used in the Gregorian or Julian calendar to specify whether the year is before or after the epoch.
Common year starting on MondayA common year starting on Monday is any non-leap year (i.e., a year with 365 days) that begins on Monday, 1 January, and ends on Monday, 31 December. Its dominical letter hence is G. The most recent year of such kind was 2018, and the next one will be 2029 in the Gregorian calendar, or likewise, 2019 and 2030 in the Julian calendar, see below for more.
Gregorian calendarInternationally accepted civil calendar*As an Amazon Associate I earn from qualifying purchases.