The guy on the phone for today’s Second Date insisted that he send us a shirtless picture of him to help explain what went wrong on his date. It seemed weird but it ended up being really important!

LOOK: Milestones in women's history from the year you were born

Women have left marks on everything from entertainment and music to space exploration, athletics, and technology. Each passing year and new milestone makes it clear both how recent this history-making is in relation to the rest of the country, as well as how far we still need to go. The resulting timeline shows that women are constantly making history worthy of best-selling biographies and classroom textbooks; someone just needs to write about them.

Scroll through to find out when women in the U.S. and around the world won rights, the names of women who shattered the glass ceiling, and which country's women banded together to end a civil war.