{"id":4178,"canonical_url":"https://www.kudos365.com/today-in-history/events/1910ce-may-19--4178","name":"1910 CE, May 19","year":1910,"era":"CE","month":5,"day":19,"url":"https://www.kudos365.com/today-in-history/events/1910ce-may-19--4178","iso-date":"1910-05-19","precision":"year-month-day","description":"\u003cp\u003eEarth passed through the tail of Halley's Comet on May 19, 1910, as the comet passed near Earth. Halley's Comet is a famous periodic comet, known for its regular appearances in Earth's night sky, making it a celestial event of great historical and scientific interest. \u003c/p\u003e","additional_details":"\u003cp\u003eOne of the substances discovered in the tail by spectroscopic analysis was the toxic gas cyanogen, leading to press speculation that life on Earth could be endangered.\u0026nbsp;Despite reassurances from scientists that the gas would not present any danger,\u0026nbsp;public panic buying of gas masks was recorded, and quack \"anti-comet pills\" were sold. No harm was done by the comet.\u0026nbsp;\u003cbr\u003eHalley makes a close approach to Earth every 75-76 years. The first certain appearance of Halley's Comet in the historical record is a description from 240 BC, in the Chinese chronicle Records of the Grand Historian or Shiji, which describes a comet that appeared in the east and moved north. It was last seen in 1986, and is expected to return in 2061. \u003ca href=\"https://science.nasa.gov/solar-system/comets/1p-halley/\"\u003eMore\u003c/a\u003e\u003cbr\u003e\u003c/p\u003e","photo":"https://k365fs.imgix.net/ls4ZH7h1TT2yahxQFpPu_Halley-s%20comet%20Lspn_comet_halley.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","photo_width":1024,"photo_height":711,"created_at":"2025-05-18T15:14:03-07:00","updated_at":"2026-05-11T11:43:43-07:00","breadcrumbs":{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"May History","item":"https://www.kudos365.com/today-in-history/may"},{"@type":"ListItem","position":2,"name":"May 19","item":"https://www.kudos365.com/today-in-history/may-19"}]},"schema":{"@context":"https://schema.org","@type":"Thing","@id":"https://www.kudos365.com/today-in-history/events/1910ce-may-19--4178#eventK365","name":"1910 CE, May 19","headline":"Earth passed through the tail of Halley's Comet on May 19, 1910, as the comet passed near Earth - 1910 CE","description":"Earth passed through the tail of Halley's Comet on May 19, 1910, as the comet passed near Earth. Halley's Comet is a famous periodic comet, known for its...","url":"https://www.kudos365.com/today-in-history/events/1910ce-may-19--4178","additionalType":"HistoricalEvent","inLanguage":"en","datePublished":"2025-05-18T15:14:03-07:00","dateModified":"2026-05-11T11:43:43-07:00","publisher":{"@id":"https://www.kudos365.com/#organizationK365"},"image":{"@type":"ImageObject","url":"https://k365fs.imgix.net/ls4ZH7h1TT2yahxQFpPu_Halley-s%20comet%20Lspn_comet_halley.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","width":1024,"height":711},"temporalCoverage":"1910-05-19","isPartOf":[{"@id":"https://www.kudos365.com/#websiteK365"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/may","name":"What Happened in May History"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/may-19#pageK365","name":"What Happened on May 19"}]}}