In your opinion, it wouldn't have been these decades without  (choose your top two answers which define the decade for you) ~~~~

1910s - Black coats, horses ;)
1920s - Speak Easys, ice
1930s - Vaudeville, home movie cameras film that ran fast
1940s - The Andrew Sisters, Seamed Stockings
1950s - Rock and Roll, Going Steady
1960s - The Beatles, Viet Nam 8)
1970s - Incense, Black Lights :-*
1980s - Frozen Yogurt,  Punk Rock
1990s DNA Testing, Remote Conrol Everything
2000s (so far) - Full Body Medical Scans, Reality TV ::)

1910s -- hmmm...the telephone?
1920s -- the Model T and silent movies
1930s -- Mickey Mouse
1940s -- Ted Williams and Stan Musial (I guess)
1950s -- Eisenhower
1960s -- The Beatles!!
1970s -- John Travolta and Saturday Night Fever
1980s -- the coming of the summer blockbuster movie
1990s -- the Internet
2000s -- my friends and family ;)

1910s - I wasn't born yet
1920s - I wasn't born yet
1930s - I wasn't born yet
1940s - I wasn't born yet
1950s - I wasn't born yet
1960s - My birth, flower power
1970s - Hard rock, disco
1980s - Glam metal, New Wave
1990s - Grunge, rap artist shootings
2000s - technology, middle age

1970s - I was born
1980s - Skateboarding, Breakdancing
1990s - Boy/Girl Bands, O.J. Simpson
2000s - 9-11, Home Run Records

1910s - ?
1920s - Long clothing, hats and jewllery, Jazz
1930s - Silent movies,
1940s - err, WW2 anyone?, rationing food
1950s - Rock and Roll, Poodle skirts
1960s - Motown, 1st round of 'Brit-pop'
1970s - Flared trousers, D.I.S.C.O! and Punk
1980s - The Smiths, great music
1990s - Indie/Britpop scene, fashion nostalgia
2000s (so far) - New technologies, me realising that old music is better!

1910s - Industrial age, vehicles,planes,ww1
1920s - the Jazz age, prohibition
1930s - Franklin D Roosevelt, Radio programmes
1940s - Big Band Music, WW2
1950s - the coming of rock n roll, beatniks
1960s - beatles, JFK, the Free love movement
1970s - day glo colors, the smilie face  :) and Queen
1980s - New Wave, Punk and John Hughes movies
1990s personal computers and grunge
2000s (so far) -I don't think anything has defined it yet.

End Quote

1900-1909 - New century, end of Victorian era, airplane, telephone, electricity.

1910s - WWI, turmoil, The Armenian Holocaust, Expressionism, Abstract Art becomes big, Bauhaus architecture, silent films begin.

1920s - Silent films take off, flappers, Art Deco, stock market boom, Fascism takes off, Communism takes off.

1930s - The Great Depression, talkies, peak of streamlined designs, Steinbeck, beginning of more turmoil from the last time...

1940s - WWII, Holocaust, atomic bomb, the end of Fascism.

1950s - Cold War begins, Eisenhower, Korean War, Red Scare, Rock 'n Roll, Jackson Pollock (YUCK!), The Beats.

1960s - The British Invasion, Mods, Viet Nam War, Cuban Missile crisis, bomb shelters.

1970s - The end of the Viet Nam War, Nixon/Watergate, The Killing Fields, civil unrest in Latin America, Glam Rock, Punk, Disco, New Wave...

1980s - Iran-Contras, "Star Wars," New Wave, New Romantic, Reaganomics.

1990s - Grunge, Fall of Communism, Yugoslavia dissolves, internet, Gulf War I.

2000s (so far) - Bad music, Gulf War II, Human Genome!

1910s-Penny candy, the Model-T
1920s-Al Capone, Matinees, Prohibition
1930s-The Great Depression, FDR, cigars
1940s-WWII, Hitler and Churchill, Truman, The Dust Bowl, television
1950s-Rock 'n' Roll, leather jackets, greased hair, bobby sox, Marilyn Monroe.
1960s-JFK, Motown, Civil Rights Movement, Dr. King, Woodstock, miniskirts
1970s-"All In The Family", Mr. Smilie, Watergate Scandal, the Bicentennial, Henry Kissinger
1980s-Reagan, Charles and Di, Soviet fall, Joe Montana, Magic and Bird, AIDS, safe sex, MTV
1990s-Clinton, computers, the Internet, political correctness, CNN, Persian Gulf I.
2000s-911 and bin Laden, Saddam and Iraq, school shootings, homeland security.

What I think of when I think of these decades:

1910s - long dresses and high collars on women, streetcars

1920s - early films, "flappers", prohibition and the rise of the Mob

1930s - The Great Depression, The Three Stooges

1940s - WWII, the murder of well over 6 million innocent civilians, and the beginning of the Atomic age

1950s - greasy hair, Elvis, and the first street gangs

1960s - The Beatles, the rise of the drug culture, the Civil Rights movement, and the beginning of the Vietnam war

1970s - hippies, disco, "free love", ugly clothes, the rise of feminism and the concept of "equal rights".

1980s - Awesome music, androgyny, AIDS, neon colors, MTV, and cool music videos

1990s -PC's become common, as does the internet. Music goes bad

2000s -DNA evidence is common, terrorists run rampant world wide, the world becomes a smaller place, culturally.