Besides a lot of approved tax exceMptions and administrative stuff, some referenda include
* Asking DC to look into becoming it's own state as New Columbia
* Making Alabama a right to work state and Virginia did not
* Legal weed in California, Arizona, Arkansas, Florida, Massachusetts, Montana, Nevada and North Dakota
* Raised minimum wage In Arizona, Colorado and Washington
* Washington wants to limit free speech to individuals and not corporations
* Background checks for purchasing weapons in California and nevada
* No universal health care in Colorado (80% no)
* Florida voted against allowing home owners to use solar to make their own electricity
* Indiana and Kansas voted for the right to fish hunt etc.
* Minnesota removed the power for officials to set their own salary
* Missouri wants voter ID laws
* Nebraska abolishes the death penalty
* Oklahoma makes the death penalty constitutional and let's them use unconstitutional means of execution
* New Jersey disallowed gambling in two more counties
* New Mexico allows the state to deny bail for felons
* Oregon let's universities invest in equities
* South Dakota keeps minimum wage as it is
Seems like weed is legal (to some degree) in lots of states. Also, it seems like change on the national level will only happen if they ripple through.
I got these from the Google election thingy.i don't know if the US has binding referendums, so don't if the things I mentioned may or may not happen.