BC and AD are abbreviations for before Christ and Anno Domino mean before the Christ's birth after the Christ's birth
Standard DVDs. 1  Region 1: U.S., U.S. Territories, Canada, and Bermuda. 2  Region 2: Japan, Europe (excluding Russia, Belarus and Ukraine), Greenland, South Africa, Swaziland, Lesotho, Egypt and the Middle East. 3  Region 3: Southeast Asia, South Korea, Taiwan, Hong Kong and Macau.
This is a list of some of the regions in the United States. 1 Interstate regions 1.1 Official regions of the United States 1.1.1 Census Bureau-designated regions and divisions. 1.1.2 Standard federal regions. 1.1.3 Federal Reserve banks.