| Between a and f | 15 |
| They follow A | 13 |
| From A to F | 11 |
| Four after the first? | 21 |
| F preceders | 11 |
| A-F linkup | 10 |
| A-F links | 9 |
| A-F link | 8 |
| A-F filler | 10 |
| A-F connection | 14 |
| Pre-A.D. | 8 |
| Dating letters | 14 |
| Early date identifier | 21 |
| Abbr. in old dates | 18 |
| Letters used in dating | 22 |
| Prior to A.D. | 13 |
| Historian's letters | 23 |
| Bridge builder's deg. | 25 |
| Pre-A.D. letters | 16 |
| Letters accompanying some 2,000-year-old+ dates | 47 |
| Pre-AD | 6 |
| Pre-A.D. abbr. | 14 |
| Period prior to year zero, in dates | 35 |
| PC dating term? | 15 |
| P.C. dating letters | 19 |
| Letters prior to AD | 19 |
| Letters in an old date | 22 |
| Letters from an old date? | 25 |
| Letters after old dates | 23 |
| Letters after a long-ago date | 29 |
| Initials for pre-A.D. period | 28 |
| Engr.'s degree | 18 |
| Engineering degree | 18 |
| Early date finisher | 19 |
| Earlier than 1, initially | 25 |
| Dating inits. | 13 |
| Dater's letters | 19 |
| Archaeologist's letters | 27 |
| Abbr. with some historical dates | 32 |
| Abbr. that follows a year | 25 |
| Abbr. in ancient dates | 22 |
| Abbr. after a year | 18 |
| Bra specification | 17 |
| Support spec | 12 |
| Victoria's Secret spec | 26 |
| Lingerie spec | 13 |
| Victoria's Secret measure, maybe | 36 |
| Smallish lingerie spec | 22 |
| Rack specification | 18 |
| Certain bra specification | 25 |
| Bra specification, perhaps | 26 |
| Bikini specification | 20 |
| Former bookstore name | 21 |
| Chain owned by Barnes & Noble | 33 |
| Borders rival | 13 |
| Book chain owned by Barnes & Noble | 38 |
| Waldenbooks rival | 17 |
| Waldenbooks competitor | 22 |
| Waldenbooks alternative | 23 |
| Rival of Borders | 16 |
| Retail division of Barnes & Noble | 37 |
| One-time mall bookstore name | 28 |
| Barnes & Noble acquired it in 1987 | 38 |
| 1987 Barnes & Noble acquisition | 35 |
| Present time, for short | 23 |
| Cake time, for short | 20 |
| Annual celebration, for short | 29 |
| Time to blow out the candles, for short | 39 |
| Party occasion, for short | 25 |
| Occasion for sending an ecard, maybe | 36 |
| May 16th for yours truly, for short | 35 |
| Kids' party occasion, for short | 35 |
| Kids' party occasion, briefly | 33 |
| Jan. 15, for MLK Jr. | 20 |
| Jan. 15, for Martin Luther King Jr. | 35 |
| Greeting card type, briefly | 27 |
| Gift-giving occasion, for short | 31 |
| Fourth of July, for Calvin Coolidge, informally | 47 |
| Celebration time, for short | 27 |
| Card type, for short | 20 |
| Cake-and-candles time, for short | 32 |
| Brief cause for celebration, and this puzzle's title | 56 |
| Brief cause for celebration | 27 |
| Annual milestone, briefly | 25 |
| Real-estate ad abbr. | 20 |
| Real estate ad abbr. | 20 |
| Apartment ad abbr. | 18 |
| Apt. part | 9 |
| Apt. listing abbr. | 18 |
| Abbr. in a real estate ad | 25 |
| Real-estate listing abbr. | 25 |
| Real estate abbr. | 17 |
| House ad abbr. | 14 |
| Apt. feature | 12 |
| Sleeping qtrs. | 14 |
| Place to sleep in an apt. | 25 |
| Apt.'s master, e.g. | 23 |
| Apt. part, in ads | 17 |
| Apt. listing unit | 17 |
| Apt. classified unit | 20 |