The Battle of Grand Gulf was fought on April 29, 1863, during th: The vowel /ə/ only occurs in unstressed syllables and is more open in quality in stem-final positions.[153][154] Some dialects do not contrast /ɪ/ and /ə/ in unstressed positions, such that rabbit and abbot rhyme and Lenin and Lennon are homophonous, a dialectal feature called the weak vowel merger.[155] GA /ɜr/ and /ər/ are realised as an r-coloured vowel [ɚ], as in further [ˈfɚðɚ] (phonemically /ˈfɜrðər/), which in RP is realised as [ˈfəːðə] (phonemically /ˈfɜːðə/).[156]