And amidst all the pride and celebration is anger that despite all the efforts made and lives lost, the country is still essentially ruled by the same elite.

The SCAF military junta has promised to step down once a president is in place in June, but there is little reason to think it will voluntarily step away from political control.

The brutality it has deployed against protesters in the last few months has been horribly reminiscent of the Mubarak regime that the revolution famously toppled.

Commented journalist rurned blogger Dima Khatib on Twitter: "A year has passed since #Jan25 with 945 people dead, more than 6,400 injured and not one police officer was sentenced. #Egypt”

A live blog of today's Tahrir protest is being run by Aljazeera and you can also follow the #jan25 hashtag on Twitter to see how events develop.