ship images. The Makin Island Raid (occurred on 17 - 18 August 1942) was an attack by the United States Marine Corps on Japanese military forces on Makin Island (now known as Butaritari Island) in the Pacific Ocean.
Biannual is derived from the prefix bi-, which means two, twice, double, doubly, as it comes from the Latin bi-, meaning twice, double, and annual comes from the Old French twelfth century word, annuel, which derives from the Latin annus, year.
A biannual timeshare allows the owner to receive two weeks of timeshare every year. A biennial timeshare, which is far more common than biannual, allows the use of a week that occurs every other year. There are odd and even year biennial usages. Examples of a biennial even year would be 2008, 2010, 2012, etc.