Any occasion can be used to express to him your love and affection that you have for your father. It may not be necessarily through words but can be in the form of a gift that you choose for him. Fathers usually like a gift which they can actually use in their routine. Since they have undergone the practicalities of life, they would always appreciate a useful gift.
Whether it is his birthday, anniversary, Christmas, Thanksgiving, retirement etc, you can choose the right gift for him to make him happy. The gift can be anything like a cell phone, a CD recorder, a fax machine, a DVD copier, a pair of glasses, a radio, turntable, etc. If your dad wants to be well-versed with computers, then a beginner’s book for the same can make him happy. A golfing club voucher will interest him if he has an affinity for the sport. A watch as a gift is also timeless since it will remain with him at all times and remind him of your lovely relation.
You can now make your dad happy with the gifts by choosing them from the various options available nowadays. Find the right option for him so as to convey your feelings of appreciation and gratitude for him.