{"version":"1.0","type":"link","title":"640 - Newikis","description":"Year 640 (DCXL) was a leap year starting on Saturday of the Julian calendar. The denomination 640 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}