Holocene is the current period of time. The most recent interval in Earth's history is the present day. The Holocene Epoch is under the Quarternary Period and is under Cenozoic Era. It started at 0.0117 ma before the present day. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.