Last speaker of the Cornish language number of miners might have come was St Day and Carharrack, but they may have come from the area around Breage. If this "uncouth jargon" was Cornish it would mean that there were still a lot of people using it at the end of the 18th century. The Reverend John Bannister stated in 1871 that "The close of the 18th century witnessed the final extinction, as spoken language, of the old Celtic vernacular of Cornwall". However, there is some evidence that Cornish continued, albeit in limited usage by a handful of speakers, through the late 19th century. Matthias Wallis of
Determination of the day of the week day of the week begins by starting from an ‘anchor date’: a known pair (such as January 1, 1800 as a Wednesday), determining the number of days between the known day and the day that you are trying to determine, and using arithmetic modulo 7 to find a new numerical day of the week. One standard approach is to look up (or calculate, using a known rule) the value of the first day of the week of a given century, look up (or calculate, using a method of congruence) an adjustment for the month, calculate the number of leap years