BC means Before Christ.
∴ 65 BC means 65 years before Christ was born, while 6 BC means only 6 years befor Christ was born.
∴ 6 BC is more recent than 65 BC.
AD means Anno Domini.
So, 65 BC is in the farthest past, followed by 29 BC and 6 BC.
This is followed by AD years in usual order - 1718 AD and the most recent being 2018 AD.