Historical clue formulations

• Where Wagner's "Tannhäuser" was first performed — 2022-02-20
• German city rebuilt after W.W. II — 2013-10-08
• City on the Elbe — 2002-08-14
• Zwinger Museum site — 1996-10-30
• Kind of china — 1996-10-11
• ___china (fine porcelain) — 1996-07-19