| PHILA | Cap. of the U.S., 1790-1800 |
| PHILADELPHIA | US federal capital, 1790-1800 (12) |
| BALZO | It is a turban-like Italian cap of the 15th and 16th centuries. The base consisted of a metal plate or leather covered with a coloured fabric, usually silk. |
| OPENER | It may remove the cap of the first batsman (6) |
| ALUMINUM | Stuff used to make the 2.85 kg pyramidal cap of the Washington Monument, dedicated in 1885 |
| POG | Collectible cap of the 1990s |
| SLC | Cap. of the Beehive State |
| BOISEID | Cap. of the Gem State |
| BIRETTA | Stiff-clerical-cap-of-the-Roman-Catholic-Church-(7) |
| KEPI | Cap of the French Foreign Legion |
| BLADES | Razor ___, supposedly sewn into the caps of the Peaky Blinders (6) |
| POGS | Faddish bottle caps of the 1990s |
| LION | 'The wrath of the ___ is the wisdom of God' (William Blake's The Marriage Of Heaven And Hell (1790-3) (4) |
| PITCAIRN | Island in the South Pacific, part of a UK Overseas Territory; uninhabited until the landing of the mutineers of the Bounty in 1790 (8) |
| HOARE | "Henry the Magnificent" who laid out the gardens at Stourhead; or, his grandson, Richard, who acquired The Adoration of the Magi for said Wiltshire house in 1790 (5) |
| NYC | Capital of the U.S. from 1785 to 1790, in brief |
| LORENZODAPONTE | Italian poet who wrote the librettos for Mozart's The Marriage Of Figaro (1786), Don Giovanni (1787), and Cosi Fan Tutte (1790) (7,2,5) |
| BUTTON | An olivet, toggle or other fastener measured in lignes; the cap of an unexpanded mushroom; a small disc of chocolate; or, a knob at the end of a foil or one for winding a watch (6) |
| CUTTYSARK | Nickname given by the eponymous hero of Robert Burns' 'Tam o' Shanter' (1790) to the dancing witch Nannie (5,4) |
| VERMONT | This small state in the northeastern U.S. existed as an independent republic from 1777 to 1790. (7) |
