11 terrorist attacks. Also: an engraved silver tankard passed down through the Adams family, a set of cuff links passed down through the Bush family, and the bullhorn the current president used to address rescuers last year.

• 展品还包括由亚当斯家族遗传下来的精雕细琢的银质大酒杯，一套布什家族传下来的袖扣，现任总统去年向救援人员发表演讲时曾用过的便携式扩音器。