It’s always a good day to celebrate the apostrophe, but Aug. 15 may be the best day: ’Tis International Apostrophe Day, the annual commemoration of a crooked little line that punches above its weight.

Apostrophes are the curly floating commas in sentences that usually indicate possession or a contraction. There are a few set phrases and holidays, however, that also use apostrophes. In fact, ...

In French, to show that someone possesses something, you use their word for “of,” which is “de”: La plume de ma tante. Spanish works the same way: La venganza de Moctezuma. Italian, too: Buca di Beppo ...

After about a decade of work on an open-source project Apostrophe, South Philly web developer firm P’unk Avenue is spinning the product out as its own company. “For the past decade, we’ve been ...

Re “Some People Can Get Very Possessive About Apostrophe’s,” Commentary, Dec. 16: For years I have railed and groused about this problem of using apostrophes to indicate plural nouns, but it has only ...

Slowly but surely, the apostrophe has been forgotten or purposely left behind in an increasing array of words. The very public feuding over public places and punctuation is here again — and it's been ...