He is considered to have been Bretwalda in the years 633-641.
This is a stub.
... the speed of light in vacuum is 299,792,458 m/s, one light year is approximately equal to 9.46 × 1015 m = 9.46 petameter.
The light year is used to measure large ...
Book Week Costumes
Kids.Net.Au - kids safe portal for children, parents, schools and