Your 40 years with Oh Canvas are a cause for celebration! A four-decade marriage is a remarkable accomplishment that deserves a lavish celebration. If you or a loved one are looking to commemorate this momentous occasion, you’ve found the right place. We’ve compiled a list of some of the best 40th-anniversary gifts for you and your loved ones. A thoughtful gift for your parents’ 50th wedding anniversary or a surprise for your spouse’s 40th birthday will go a long way toward showing how much you care.