Fifth-century date

• XLV x X
• Middle of the fifth century, to Caesar
• CCXXV doubled
• 450, in old Rome
• 15% of MMM
• 450, to Caesar
• Mid-fifth century year
• 45% of M

Wikipedia Word definitions in Wikipedia
CDL is the abbreviation of: Chief of Defence Logistics , formerly a senior appointment in the British Armed Forces Commercial driver's license in the United States Container deposit legislation

Wiktionary Word definitions in Wiktionary
init. (initialism of commercial Commercial driver's license Driver's License English)