Tuesday, April 17, 1691 is a Tuesday. It is day 107 of 1691 (29.3% through the year), ISO week 16, in Q2.
Calendar Specifications
Tuesday, April 17, 1691 combines practical calendar facts with a wider view of the day: 2014: NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to April 17.
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Historical Milestones
NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.
NASA →An ammonium nitrate explosion occurred at a fertilizer company facility in West, Texas, U.S., killing 15 people and injuring 160 others.
West Fertilizer Company explosion →A Palestinian suicide bomber detonated explosives in a restaurant in Tel Aviv, Israel, killing 11 people and injuring 70 others.
Palestinian suicide attacks →The Netherlands and the Isles of Scilly declared peace, having hypothetically been at war for 335 years without a single shot being fired and no casualties incurred.
Isles of Scilly →Metropolitan Police officer Yvonne Fletcher was shot and killed while on duty during a protest outside the Libyan embassy in London, resulting in an 11-day police siege of the building and a breakdown of Libya–United Kingdom re...
Metropolitan Police →The Khmer Rouge captured Phnom Penh, the capital of the Khmer Republic, ending the Cambodian Civil War and establishing the socialist state of Democratic Kampuchea.
Khmer Rouge →George Lucas began writing a 13-page film treatment that later formed the basis of Star Wars.
George Lucas →Czechoslovak Communist Party chairman Alexander Dubček was deposed.
Communist Party of Czechoslovakia →Sirhan Sirhan was convicted of the assassination of U.S. senator Robert F. Kennedy.
Sirhan Sirhan →The Peak District was designated the first national park in the United Kingdom.
Peak District →World War II: Captured French general Henri Giraud escaped from German captivity in the Königstein Castle.
World War II →Minas Geraes (pictured), the first of three Brazilian dreadnought battleships, was laid down, sparking a vastly expensive South American naval arms race with Argentina and Chile.
Brazilian battleship Minas Geraes →Calculate business days and elapsed calendar time between this date and any other.
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Questions & Answers
Tuesday, April 17, 1691 falls on a Tuesday.
122,504 days ago (335 years, 4 months, 25 days ago). It is day 107 of 1691 with 258 days remaining in the year.
In Roman numerals, Tuesday, April 17, 1691 is written as XVII.IV.MDCXCI (Day.Month.Year format).
The moon phase for this date is Waning Gibbous (approx. 81% illuminated). The astrological sun sign is Aries.