There are a number of reasons why there can be debate about
which record should be considered to have been "Number One"
in a particular country on a certain date. These are discussed further down
this page. However there is clearly a sizable group that don't want
to know about these details and just want to know what record was top of the
charts on a given date (such as their birthday). This table shows which records
were number one for various countries over the month of April 2011.
If, like us, you are the type of person that wants to know if a song was top of the
Jukebox or Jockeys chart, or where a double-A side was released, or when chart
entries did not specify an artist, or when the charts switched from one magazine
to another we suggest that you have a look at the original sources: