Saint Valentine’s Day, originally, is a holiday that honours one or more early Christian martyrs named Valentius.

However, the meaning of “Valentine’s” Day has evolved since then. Millions of people all over the world today celebrate this holiday by giving flowers, chocolates, cards and gifts to each other. For some, it is a celebration between lovers while for others, it is a celebration of love between friends and family.

The photos in this gallery show how people all over the world are celebrating, or not celebrating, Valentine’s Day on the 14^th of February 2012. – Photos by Agencies.