Main Page | See live article | Alphabetical index Centuries: 5th century - 6th century - 7th century Decades: 500s 510s 520s 530s 540s - 550s - 560s 570s 580s 590s 600s Years: 550 551 552 553 554 555 556 557 558 559 560 Table of contents 1 Events 2 Births 3 Deaths Events Beginning of the Nan Liang Dynasty. First ruler is Nan Liang Xuan Di. Chinese Liang Dynasty: Liang Yuan Di succeeded by Liang Zheng Yang Hou, then Liang Jing Di. Births Deaths Pope Vigilius Theodebald, king of Austrasia See North American Numbering Plan for the use of the area code 555 in movies. The 555 is a classic integrated circuit (chip) implementing a variety of timer and multivibrator applications, and historically has been widely used in electronics.\n This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.