You would still have the same age, gender, personality, skin color, etc. and you would be able to speak at least one local language and would know basic information of the era and place. Your family, social standing, and such would be randomly picked.
1940s
The only correct answer, the past, was the worst. I like having antibiotics, not dying in childbirth, hot running water e.t.
Can always take the knowledge with you. Memorize how to do critical parts of plumbing. The antibiotics part yeah that would suck.
Ok, we need to go to the store and buy some pipes.
What are pipes?
Oh. I think I fucked up.
Come on, obviously they knew what pipes were in the 1940s. They are cylinders made of lead.