Conversation so far:
When did Mae Young start wrestling ?
Young was an amateur wrestler on her high school's boys' wrestling team at the age of fifteen.
Was Mae Young's family supportive of  ner wrestling on the high school's boys' team at the age of fifteen?
Mae Young's brothers Fred, Eugen, Lawarence, and Everett taught her to wrestle and helped her join the team.
Did Mae Young win any belts in her early years of her career?
Are there any other interesting aspects about Mae Young in her early career besides her family?
There have been conflicting reports as to the year in which Young began her career. Young claimed her first match was August 20, 1939
Did Mae Young receive a lot of criticism for wrestling in her early career?
Did Mae Young pair with any other female wrestlers during her early career in 1941?
In 1941, Mae Young, along with Mildred Burke, opened up Canada for female wrestling.

Question: How long did that partnership last?
Self-contained rewrite: How long did Mae Young's partnership with Burke last?