According to a story in today’s Oregonian, the Oregon Senate will consider a change to the Oregon constitution that will allow same day registration.  If it passes the Senate, it has to be put to the voters.

The current 21 day window is a consequence of the infamous “Rajneeshees” in 1984:

The 1986 vote came after followers of Bhagwan Shree Rajneesh brought homeless people to their central Oregon ranch in 1984 to become voters in an unusual — and unsuccessful — effort to take over Wasco County. Until then, voters had been able to register as late as Election Day.

Only in Oregon …