There are many days within the year that the Church assigns a certain theme, eg Sea Sunday, Day of life. The links collected here relate to themed days or weeks.
The day in the year when we remember and pray for seafarers.
Information from MISSIO on world missions
Website marking the annual Day of Life
Divine Mercy Sunday occurs on the Sunday following Easter Sunday
Details of racial justice Sunday will be featured on the Catholic Association for Racial Justice web-site.
The official Youth Sunday website
The web-site contains previous World Peace Day messages.