historicalindex.org
May 23, 2024The year 23 AD is exactly the same as the year 23 CE, and 4004 BC is also 4004 BCE. References to historical dates under either classification shouldn't create confusion in a researcher's mind. Major historical dates such as 1492 AD, 1776 AD or 1941 AD would still be rendered as 1492 CE, 1776 CE and 1941 CE.