We currently live in what is called the Holocene Epoch, which reflects everything that has happened over the past 11,700 years - since a dramatic warming kicked us out of the last ice age. But the Holocene itself can be subdivided, according to the International Commission on Stratigraphy (ICS).
...
These all record major climate events. The Meghalayan, the youngest stage, runs from 4,200 years ago to 1950. It began with a destructive drought, whose effects lasted two centuries, and severely disrupted civilisations in Egypt, Greece, Syria, Palestine, Mesopotamia, the Indus Valley, and the Yangtze River Valley.
...
They are also concerned that the divisions have been approved when there is still an active debate about assigning a new geologic slice of time to reflect specifically the influence of humans on the planet.

Tentatively referred to as the Anthropocene, its precise definition - its beginning point and the spike used to denote its initiation - is the subject of ongoing research.

https://www.bbc.co.uk/news/science-environment-44868527