From Catholic Culture:

Chair of St. Peter
Since early times, the Roman Church has had a special commemoration of the primatial authority of St. Peter. As witness one of the most renowned of the Apostolic Fathers, the Roman See has always held a peculiar place in the affection and obedience of orthodox believers because of its “presiding in love” and service over all the Churches of God.” Read more here.

Here is a nice video. Note: This video is from last year. This year Lent begins on March 9th.