BUR #11390 has been approved by @nonamethanks.
create alias hiroshima_and_nagasaki -> atomic_bombings_of_hiroshima_and_nagasaki
The tag currently used specifically for a post related to the Hiroshima and Nagasaki atomic bombings are called "hiroshima_and_nagasaki", which is too vague, as most people will search "atomic bombings" before the city name itself. So I think it should be renamed to reflect what the tag actually means.
Edit: Well, I think the first proposal is quite unpopular and I understand that. I'll separate this suggestion with the other one.
Updated