He shared it with French royals. When he became the King of England he didn't have to share it with anyone anymore and had his own kingdom that was separate from French nobles and French royalty. Since then, 1066, the Norman dynasties ruled the British Isles that they conquered.
They had a war and lots died but america won
The element that Rosh Hashanah and Yom Kippur share is : They both are considered high holy days
Rosh Hashanah is the Jewish new year , while the Yom Kippur is known as the Day of the atonement for the Jewish
hope this helps