Plus the "microgenerations" who straddle the grey areas between the tail-end of one main generation and the front-end of the next main generation.

Frugal Gatsbians (1902-1906)

Golden-Builders (1925-1929)

Silent Nesters (1944-1948)

"Xoomers"/Generation Jones (1961-1965)

Xennials (1978-1982)

Zillennials (1994-1998)

Alphacentennials (2011-2015)