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 Events and Trends This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.