Wrong: 993 freshmen entered the college last year. Right: Last year 993 freshmen entered the college. Right: 1976 was a very good year. From The Chicago Manual of Style, fifteenth edition (2003): 9.5 Number beginning a sentence. When a number begins a sentence, it is always spelled out. To avoid awkwardness, a sentence should be recast. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.