Misc: where's the famed arch of hadrian?

Questions

In 1920 Ireland divided into two parts, each with its own---------- . ?

In 1947 (USA) ---------- invented by Bardeen, Brattain and Shockley in Bell Labs. ?

In 1948 PM Tojo, 6 other Japanese hung for ---------- crimes by US. ?

In 1968 Borman, ---------- and Anders first men to orbit moon. ?

In 1972 Earthquake destroys central Managua,---------- . ?