Texas This category is for topics specifically related to the year 644 BC. 649648647646645644 BC643642641640639 690s680s670s660s650s640s630s620s610s600s590s Subcategories This category has only the following subcategory. D 644 BC deaths (2 P) Pages in category "644 BC" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. 644 BCC Casmenae