Many Millennials love "The Daily Show," previously hosted by Jon Stewart. Comedy Central
For generation X, Kurt Cobain of Nirvana was a cultural icon. Jeffrey Mayer/WireImage/Getty
Steve Jobs with a new LISA computer during a press preview in 1983. Baby boomers like to claim this visionary for their own.Ted Thai/The LIFE Picture Collection/Getty Images
On November 30, 1965, about 20,000 marchers protested in Washington against American involvement in the Vietnam War. Those who were born in 1945 were on the tail end of the "greatest generation," and some participated in anti-war rallies in their youth. Keystone/Getty Images