How were Roman chariot races like horse races today?

Answer 1

Check this site.

http://www.vroma.org/~bmcmanus/circus.html

Answer 2

how can i find out what day of the week December 19,1777 was

Answer 3

http://www.hf.rim.or.jp/~kaji/cal/cal.cgi?1777

Answer 4

http://www.searchforancestors.com/utility/dayofweek.html