Number One Single this time last year...

UK: -
US: Charts not yet in existence
Australia: Charts not yet in existence

Number One Single five years ago...

UK: James Blunt - You're Beautiful
US: Mariah Carey - We Belong Together
Australia: Crazy Frog - Axel F

Number One Single ten years ago...

UK: Five & Queen - We Will Rock You
US: *NSync - It's Gonna Be Me
Australia: Anastacia - I'm Outta Love

Number One Single 25 years ago...

UK: Madonna - Into The Groove
US: Tears For Fears - Shout
Australia: Madonna - Crazy For You

Number One Single 50 years ago...

UK: Cliff Richard - Please Don't Tease
US: Brenda Lee - I'm Sorry
Australia: Jimmie Rodgers - Just A Closer Walk With Thee