In syllabic verse, such as that used in French literature, an alexandrine is a line of twelve syllables. There is some controversy as to the origin of the name, but most probably it is derived from a collection of Alexandrine romances, collected in the 12th century, of which Alexander the Great was the hero, written entirely in alexandrines.
This natural phenomenon is simply amazing: about once a year a veritable wall of sea foam, sometimes reaching heights up to 9 feet, smashes on to shore. In order for this freaky event to occur certain factors need to be present: it's created by wind and waves churning up organic matter in the ocean. Decaying algae offshore are also often a major contributor.
An apocryphal story explains it this way when Augustus Caesar claimed control of the Roman Empire. He wanted August (the month named after him) to have as many days as July (month named after his predecessor Julius Caesar). From that point on, August had 31 days, after he eliminated two days from February, leaving it with 28 days.