English terms with diacritical marks
The Old English Latin alphabet began to replace the Runic alphabet in the 9th century, due to the influence of Celtic Christian missionaries to the Anglo-Saxon kingdoms. The orthography of Old English – which was entirely handwritten in its own time – was not well standardized, though it did not use all the Latin letters, and included several letters not present in the modern alphabet. When reprinted (on a printing press or computer) in modern times, an overdot is occasionally used with two Latin letters to differentiate sounds for the reader:
History of the Greek alphabet
The Old Italic and Anatolian alphabets are, like the Greek alphabet, attested from the 8th century BC. It is unclear whether they should be considered as siblings of the latter, adopted from the Phoenician simultaneously, or rather as early descendants of the nascent Greek alphabet proper.