January 8 – 2017 Jerusalem truck attack Palestinian assailant entered the road where the Israeli defense forces were located with a truck, killing 4 people and injuring 15 others.
February 26 – An annular solar eclipse is visible from Pacific, Chile, Argentina, Atlantic, Africa. It is the 29th eclipse of the 140th saros cycle (descending node), which started with a partial solar eclipse visible in the Southern Hemisphere on April 16, 1512, and will conclude with another partial solar eclipse visible in the Northern Hemisphere on June 1, 2774.[11]
March 30 – SpaceX conducts the world's first reflight of an orbital-class rocket.[16][17]
March 31 – Horacio Cartes presents to Congress his plans of allowing the re-election of the president of Paraguay for a second term, going against the Constitution of Paraguay, leading to a political crisis which ended in the storm of Congress by liberal activists and in the assassination of Rodrigo Quintana by the police. After this, the Congress votes against the re-election project.[18]
April
April 7 – In response to a suspected chemical weapons attack on a rebel-held town, the U.S. military launches 59 Tomahawk cruise missiles at an air base in Syria. Russia describes the strikes as an "aggression", adding they significantly damage U.S.–Russia ties.[19]
May 12 – WannaCry ransomware attack: Computers around the world are hit by a large-scale ransomware cyberattack, which goes on to affect at least 150 countries.[22][23]
London Bridge attack: Eight people are murdered and dozens of civilians are wounded by Islamist terrorists. Three of the attackers are shot dead by the police. ISIS claims responsibility for the attack.[26]
2017 Turin stampede: During a screening of the 2017 UEFA Champions League Final, pepper spray is discharged by individuals attempting to rob soccer fans in the square, causing the crowd to panic. There are 3 deaths and 1,672 wounded.[27]
July 4 – Russia and China urge North Korea to halt its missile and nuclear programs after it successfully tested its first intercontinental ballistic missile.[35][36]
ISIL affiliated insurgents attacked an Egyptian military checkpoint in Northern Sinai's Rafah which resulted in the deaths of 26 Egyptian personnel including colonel Ahmed Mansi and 44 other insurgents.
The first observation of a collision of two neutron stars (GW170817)[40] is hailed as a breakthrough in multi-messenger astronomy[41] when both gravitational and electromagnetic waves from the event are detected.[42][43] Data from the event provided confirmatory evidence for the r-process theory of the origin of heavy elements like gold.[44][45]
2017 Barcelona attacks: 22-year-old Younes Abouyaaqoub drives a van into pedestrians on La Rambla in Barcelona, killing 13 people and injuring at least 130 others.
August 18 – The first terrorist attack ever sentenced as a crime in Finland kills two people and injures eight others. Islamic terrorist Abderrahman Bouanane, a Moroccan man carried out the ISIS-inspired attack in southwest Finland.[46][47]
August 21 – A total solar eclipse (nicknamed "The Great American Eclipse")[48] is visible within a band across the entire contiguous United States of America, passing from the Pacific to the Atlantic coasts. The moon was just 3 days past perigee, making it relatively large.[49][50][51]
August 25–30 – Hurricane Harvey strikes the United States as a Category 4 hurricane, causing catastrophic damage to the Houston metropolitan area, mostly due to record-breaking floods. At least 108 deaths are recorded, and total damage reaches $125 billion (2017 USD), making Harvey the costliest natural disaster in United States history, tied with Hurricane Katrina in 2005.[53][54]
September 6 – Hurricane Irma, at peak intensity, would make the first of many powerful landfalls along the Caribbean islands and the United States. Damages would total $77.2 billion (2017 USD), and 134 would be killed by the storm.[57]
September 15 – Cassini–Huygens ends its 13-year mission by plunging into Saturn, becoming the first spacecraft to enter the planet's atmosphere.[59]
September 19 – Twelve days after another powerful earthquake, and on the 32nd anniversary of the deadly 1985 Mexico City earthquake, a 7.1 Mwearthquake strikes central Mexico, killing 370, leaving up to 6,000 injured[60] and thousands more homeless.[61]
September 19–20 – Just two weeks after Hurricane Irma struck the Caribbean, Hurricane Maria strikes similar areas, making landfall on Dominica as a Category 5 hurricane, and Puerto Rico as a Category 4 hurricane. Maria caused over 3,000 deaths and damages estimated in excess of $91.6 billion (2017 USD).[54][62]
The Argentinian submarine ARA San Juan suddenly vanished with 44 crew members on board whilst on a routine patrol in the South Atlantic. It would be found one year later wrecked 907 metres (2,976 ft) below the Atlantic Ocean.[83]
December 9 – The Iraqi military announces that it has "fully liberated" all of Iraq's territory from "ISIS terrorist gangs" and retaken full control of the Iraqi-Syrian border.[89]
^"United Nations Observances: International Years". United Nations. Archived from the original on February 22, 2016. Retrieved February 7, 2016.
^"39 killed in armed attack at Istanbul nightclub". Anadolu Agency. Archived from the original on January 2, 2017. Retrieved March 26, 2019.
^"Kyrgyzstan plane crash: Dozens die as Turkish cargo jet hits homes". BBC News. January 16, 2017. Archived from the original on June 8, 2019. Retrieved June 8, 2019.
^Jobe, Adam. "ECOMIG forces explain mandate in Gambia". The Point. Archived from the original on February 18, 2023. Retrieved January 4, 2022.
^Cocks, Tim; Jahateh, Lamin. "Gambia's former leader Jammeh flies into exile in Equatorial Guinea". Reuters. Archived from the original on November 9, 2021. Retrieved January 22, 2017.
^"Ex-President Yahya Jammeh leaves The Gambia after losing election". BBC News. January 22, 2016. Archived from the original on July 15, 2022. Retrieved January 22, 2016.
^Easley, Jason (January 21, 2017). "Women's March Is The Biggest Protest In US History As An Estimated 2.9 Million March". Politicus USA. Archived from the original on November 10, 2021. Retrieved January 22, 2017.
^Ed Cropley (January 31, 2017). "In tilt from Europe, Morocco rejoins African Union". Reuters. Archived from the original on September 15, 2021. Retrieved September 15, 2021.
^"North Korea conducts ballistic missile test". BBC News. Archived from the original on February 12, 2017. Retrieved February 12, 2017.
^McCurry, Justin (February 14, 2017). "Kim Jong-un's half-brother dies after 'attack' at airport in Malaysia". The Guardian. Archived from the original on February 14, 2017. Retrieved June 9, 2019.
^"Nasa Eclipse Web Site: Saros Series Catalog of Solar Eclipses". eclipse.gsfc.nasa.gov. National Aeronautics and Space Administration. September 26, 2009. Archived from the original on October 19, 2021. Retrieved October 21, 2021.
^"Everything You Need to Know About the Nintendo Switch". Time. Archived from the original on May 17, 2021. Retrieved June 7, 2021.
^"UN: World facing greatest humanitarian crisis since 1945". BBC News. March 11, 2017. Archived from the original on March 11, 2017. Retrieved March 11, 2017.
^"Winter Storm Stella was a Category 3 on Northeast Snowfall Impact Scale". The Weather Channel. March 21, 2017. Archived from the original on September 25, 2021. Retrieved September 25, 2021.
^"Brexit: Article 50 has been triggered - what now?". BBC News. March 29, 2017. Archived from the original on January 3, 2020. Retrieved March 29, 2017.
^"SpaceX Launches a Satellite With a Partly Used Rocket". The New York Times. March 30, 2017. Archived from the original on September 6, 2020. Retrieved March 31, 2017.
^"Success for SpaceX 're-usable rocket'". BBC News. March 31, 2017. Archived from the original on May 5, 2022. Retrieved March 31, 2017.
^"Rioters storm Paraguay congress and set it on fire after vote to extend president's term". France 24. April 1, 2017. Archived from the original on May 7, 2022. Retrieved May 7, 2022.
^"Syria war: US launches missile strikes in response to chemical 'attack'". BBC News. April 7, 2017. Archived from the original on April 7, 2017. Retrieved April 7, 2017.
^Cooper, Helene; Mashal, Mujib (April 13, 2017). "U.S. Drops 'Mother of All Bombs' on ISIS Caves in Afghanistan". The New York Times. ISSN 0362-4331. Archived from the original on September 14, 2019. Retrieved January 30, 2022.
^"Eurovision 2017 Results: Voting & Points". Eurovisionworld. Archived from the original on June 12, 2019. Retrieved January 30, 2022.
^"Ransomware strike gives glimpse of 'cyber-apocalypse'". Sky News. May 13, 2017. Archived from the original on May 15, 2017. Retrieved May 13, 2017.
^"Ransomware: Cyber-attack threat escalating - Europol". BBC News. May 14, 2017. Archived from the original on May 14, 2017. Retrieved May 14, 2017.
^"UK police: 22 confirmed dead after terror incident at Ariana Grande concert". CBS News. May 22, 2017. Archived from the original on May 23, 2017. Retrieved May 22, 2017.
^"US leaves Paris climate deal". euobserver. June 1, 2017. Archived from the original on December 3, 2017. Retrieved December 2, 2017.
^Wamsley, Laurel (June 4, 2017). "ISIS Claims Responsibility For London Attack That Killed 7, Injured 48". NPR. Archived from the original on January 30, 2022. Retrieved January 30, 2022.
^"Cede una ringhiera in piazza San Carlo a Torino: panico fra i tifosi, mille feriti. Sei sono gravi". lastampa.it (in Italian). June 4, 2017. Archived from the original on May 3, 2021. Retrieved February 27, 2021.
^NATO. "Montenegro joins NATO as 29th Ally". NATO. Archived from the original on January 30, 2022. Retrieved January 30, 2022.
^Roberts, David (June 5, 2017). "Qatar row: What's caused the fall-out between Gulf neighbours?". BBC News. Archived from the original on April 26, 2019. Retrieved August 11, 2024.
^"Tory-DUP deal: The agreement in full". The Telegraph. June 26, 2017. Archived from the original on June 26, 2017. Retrieved January 24, 2018.
^"Future energy – solutions for tackling mankind's greatest challenge". BIE. Archived from the original on August 11, 2016. Retrieved November 25, 2016.
^"Destroying Great Mosque of al-Nuri 'is Isis declaring defeat'". The Guardian. June 22, 2017. Archived from the original on May 17, 2019. Retrieved June 22, 2017.
^"DC-10 air tankers heading to Prescott to fight Goodwin Fire". abc15.com. Jason Volentine. June 29, 2017. Archived from the original on April 20, 2021. Retrieved May 15, 2021.
^Prentice, Alessandra (June 27, 2017). "Ukrainian banks, electricity firm hit by fresh cyber attack". Reuters. Archived from the original on July 16, 2019. Retrieved June 27, 2017.
^"North Korea missile test: Russia and China urge freeze in launches". BBC News. July 4, 2017. Archived from the original on July 4, 2017. Retrieved July 4, 2017.
^"North Korea tests missile it claims can reach 'anywhere in the world'". CNN. July 4, 2017. Archived from the original on July 4, 2017. Retrieved July 4, 2017.
^"Treaty on the prohibition of nuclear weapons". United Nations Office for Disarmament Affairs. Archived from the original on September 22, 2021. Retrieved September 22, 2021.
^"Battle for Mosul: Iraq PM Abadi formally declares victory". BBC. July 10, 2017. Archived from the original on July 11, 2017. Retrieved July 10, 2017.
^"North Korea: UN backs fresh sanctions over missile tests". BBC News. August 5, 2017. Archived from the original on August 5, 2017. Retrieved August 5, 2017.
^Cho, Adrian (2017). "Merging neutron stars generate gravitational waves and a celestial light show". Science. doi:10.1126/science.aar2149.
^Berger, Edo. "Editorial: Focus on the Electromagnetic Counterpart of the Neutron Star Binary Merger GW170817". The Astrophysical Journal Letters. 848 (2). Archived from the original on September 13, 2018. Retrieved October 29, 2017.
^Krieger, Lisa M. (October 16, 2017). "A Bright Light Seen Across The Universe, Proving Einstein Right – Violent collisions source of our gold, silver". The Mercury News. Archived from the original on October 16, 2017. Retrieved October 29, 2017.
^Tanvir, N. R.; et al. (2017). "The Emergence of a Lanthanide-rich Kilonova Following the Merger of Two Neutron Stars". The Astrophysical Journal Letters. 848 (2): L27. arXiv:1710.05455. Bibcode:2017ApJ...848L..27T. doi:10.3847/2041-8213/aa90b6.
^"Asylum-Seeker Gets Life After Finland's First Terror Trial". The New York Times. June 15, 2018. Archived from the original on June 15, 2018. Retrieved June 16, 2018.
^Rosendahl, Jussi (June 15, 2018). "Knife attacker sentenced to life by a Finnish court". Reuters. Archived from the original on June 16, 2018. Retrieved June 16, 2018.
^Steed, Edward (September 4, 2017). "The Great American Eclipse of 2017". The New Yorker. Archived from the original on August 15, 2018. Retrieved October 29, 2017.
^Chan, Melissa (July 25, 2017). "The 2017 Total Solar Eclipse: Everything You Need to Know". Time. Archived from the original on July 29, 2017. Retrieved October 29, 2017.
^Redd, Nola Taylor (September 29, 2017). "What the 2017 Solar Eclipse Taught Us About Boosting Public Interest in Science". space.com. Purch Group. Archived from the original on October 4, 2019. Retrieved October 29, 2017.
^Massimino, Mike (narrator) (August 22, 2017). The Great American Eclipse. Science Channel. Archived from the original on April 8, 2019. Retrieved October 29, 2017.
^"Rohingya crisis: UN sees 'ethnic cleansing' in Myanmar". BBC News. September 11, 2017. Archived from the original on January 11, 2018. Retrieved September 11, 2017.
^Eric S. Blake; David A. Zelinsky (January 23, 2018). Hurricane Harvey (AL092017) (PDF) (Report). Tropical Cyclone Report. National Hurricane Center. Archived (PDF) from the original on January 26, 2018. Retrieved January 29, 2018.
^ a bCostliest U.S. tropical cyclones tables update (PDF) (Report). United States National Hurricane Center. January 12, 2018. Archived (PDF) from the original on January 27, 2018. Retrieved January 12, 2018.
^"Putin expels 755 diplomats in response to US sanctions". Fox News. July 30, 2017. Archived from the original on November 12, 2017. Retrieved December 30, 2017.
^Sanger, David E.; Sang-Hun, Choe (September 2, 2017). "North Korean Nuclear Test Draws U.S. Warning of 'Massive Military Response'". The New York Times. Archived from the original on September 3, 2017. Retrieved October 20, 2017.
^"Hurricane Irma Tropical Cyclone Report" (PDF).
^Wharton, David (July 31, 2017). "Los Angeles makes deal to host 2028 Summer Olympics". Los Angeles Times. Archived from the original on September 22, 2017. Retrieved July 31, 2017.
^"Cassini Solstice Mission: Cassini Mission Timeline". Jet Propulsion Laboratory. NASA. Archived from the original on April 21, 2016. Retrieved September 5, 2015.
^"Death toll in Mexico earthquake rises to 369 as last body pulled from rubble". CBS News. October 4, 2017. Archived from the original on October 19, 2017. Retrieved October 18, 2017.
^McDonnell, Patrick J. (October 11, 2017). "'I am full of anguish right now.' Thousands in Mexico remain without homes weeks after quake". L.A. Times. Archived from the original on October 18, 2017. Retrieved October 18, 2017.
^Otero, Carlos Antonio (September 25, 2017). "Impacto multibillonario de María" (in Spanish). El Vocero. Archived from the original on April 8, 2019. Retrieved September 25, 2017.
^"Kurdistan referendum results: 93% of Iraqi Kurds vote for independence, say reports". Independent.co.uk. September 27, 2017. Archived from the original on May 1, 2022.
^Torres-Cortez, Ricardo (January 19, 2018). "Sheriff: Person of interest part of Strip shooting probe; Paddock had child porn". Las Vegas Sun. Archived from the original on January 19, 2018. Retrieved January 19, 2018.
^Lacanlale, Rio (August 24, 2020). "California woman declared 59th victim of 2017 massacre in Las Vegas". The Las Vegas Review-Journal. Archived from the original on March 23, 2023. Retrieved August 27, 2020.
^"The United States Withdraws From UNESCO". US Department of State. October 12, 2017. Archived from the original on April 8, 2019. Retrieved October 13, 2017.
^"US withdraws from Unesco over 'anti-Israel bias'". Independent.co.uk. October 12, 2017. Archived from the original on May 1, 2022. Retrieved October 13, 2017.
^"Death toll from Somalia truck bomb in October now at 512: probe committee". Reuters. November 30, 2017. Archived from the original on September 9, 2019. Retrieved December 1, 2017.
^Connor, Neil (October 24, 2017). "China formally lifts Xi Jinping's status to most powerful leader in decades". The Telegraph. Archived from the original on December 27, 2017. Retrieved December 30, 2017.
^"Yle News: Conscript acquitted over Raseborg level crossing crash". December 10, 2020. Archived from the original on October 19, 2021. Retrieved October 19, 2021.
^Finland: Train crash in Raseborg October 26 Archived October 31, 2022, at the Wayback Machine – GardaWorld
^"Catalonia declares independence from Spain as political crisis deepens". CNN. October 27, 2017. Archived from the original on November 6, 2017. Retrieved October 27, 2017.
^"Catalans declare independence as Madrid imposes direct rule". BBC. October 27, 2017. Archived from the original on December 4, 2020. Retrieved October 27, 2017.
^Gill, Victoria (November 2, 2017). "New great ape species identified". BBC News. Archived from the original on June 21, 2018. Retrieved December 30, 2017.
^"Big losses for IS in Syria and Iraq". BBC News. November 3, 2017. Archived from the original on January 1, 2018. Retrieved December 30, 2017.
^Forsythe, Michael (April 3, 2016). "Paradise Papers Shine Light on Where the Elite Keep Their Money". The New York Times. Archived from the original on January 26, 2018. Retrieved December 30, 2017.
^Weill, Kelly (November 5, 2017). "Deadliest Church Shooting in American History Kills at Least 26". The Daily Beast. Archived from the original on November 6, 2017. Retrieved July 17, 2019.
^"Fast facts: Deadliest mass shootings in modern US history". Springfield, MO: KY3. November 6, 2017. Archived from the original on November 7, 2017. Retrieved July 17, 2019.
^"Iran-Iraq border quake kills hundreds". BBC News. November 13, 2017. Archived from the original on December 13, 2017. Retrieved December 30, 2017.
^Moyo, Jeffrey; Onishi, Norimitsu (November 14, 2017). "Zimbabwe's Military, in Apparent Takeover, Says It Has Custody of Mugabe". NY Times. Archived from the original on December 24, 2017. Retrieved November 16, 2017.
^"Zimbabwe's President Mugabe resigns". BBC News. November 21, 2017. Archived from the original on June 23, 2020. Retrieved November 21, 2017.
^"'Leonardo da Vinci artwork' sells for record $450m". BBC News. November 16, 2017. Archived from the original on January 2, 2018. Retrieved November 16, 2017.
^"Argentina 'lacks means' to raise lost sub". BBC News. November 17, 2018. Archived from the original on November 17, 2018. Retrieved November 17, 2018.
^"Ratko Mladic found guilty of genocide over Bosnia war". BBC News. November 22, 2017. Archived from the original on January 15, 2018. Retrieved November 22, 2017.
^"Egyptian mosque attack death toll climbs to 305". Fox News. November 25, 2017. Archived from the original on January 21, 2018. Retrieved November 25, 2017.
^"Honduras: posible fraude, muertos y mucha tensión" [Honduras: possible fraud, deaths and great tension] (in Spanish). Tegucigalpa: ABC Color. EFE. December 2, 2017. Archived from the original on March 22, 2021. Retrieved December 2, 2017.
^"Russian doping: IOC bans Russia from 2018 Winter Olympics". BBC News. December 5, 2017. Archived from the original on December 5, 2017. Retrieved December 5, 2017.
^"Jerusalem is Israel's capital - Trump". BBC News. December 6, 2017. Archived from the original on December 6, 2017. Retrieved December 6, 2017.
^"Iraq is 'fully liberated' from ISIS, its military says". CNN. December 9, 2017. Archived from the original on January 23, 2018. Retrieved December 10, 2017.
^Garrahan, Matthew (December 14, 2017). "Disney to buy 21st Century Fox assets in $66bn deal". Financial Times. Archived from the original on December 10, 2022.
^"Security Council further tightens sanctions against DPR Korea". UN. December 22, 2017. Archived from the original on December 23, 2017. Retrieved December 23, 2017.
^"North Korea: Trump praises latest UN sanctions over missiles". BBC News. December 23, 2017. Archived from the original on December 23, 2017. Retrieved December 23, 2017.
^Julian, Hana Levi (December 26, 2017). "Honduras, Panama to Transfer Embassies to Jerusalem, Following US and Guatemala - The Jewish Press - 9 Tevet 5778 – December 26, 2017 - JewishPress.com". JewishPress.com. Archived from the original on December 29, 2017. Retrieved December 30, 2017.