Scottish term days moves each year, the legal Term Day of Whitsun was fixed in Scotland as 26 May in the Julian Calendar, which became 15 May under the Gregorian Calendar, adopted in Scotland in 1599. Lammas was celebrated on 1 August, the day the first fruits of the harvest were offered, the name coming from the Anglo-Saxon for 'loaf-mass' or 'bread-feast'. Martinmas, on 11 November, was originally the feast of Saint Martin of Tours, a 4th-century bishop and hermit. In Scotland, 1886 saw the term dates for removals and the hiring of servants in towns changed to 28 February, 28 May, 28
Key date Key date In coin collecting, a key date refers to a date (or date and mint mark combination) of a given coin series or set that is harder to obtain than other dates in the series. The next level of difficult to obtain coins in series are often referred to as semi-key dates or simply semi-keys. For example, the 1909-S VDB is the key date in the Lincoln cent series. The 1914-D and 1931-S are considered semi-keys. In the United Kingdom £1 coins from 1988 are considered key date coins. What makes a coin a "key" is somewhat more complicated