Conversation so far:
what did Phyllis Schlafly have to do with the Equal Rights Amendment?
Schlafly focused political opposition to the ERA in defense of traditional gender roles, such as only men fighting in war.
how did Phyllis Schlafly oppose the ERA?
the anti-ERA activists used traditional symbols of the American housewife, and took homemade foods (bread, jams, apple pies, etc.) to the state legislators
why did Phyllis Schlafly want to oppose ERA?
She argued that the equal rights amendment would eliminate the men-only draft and guarantee the possibility that women would be equally subject to conscription
How else did Phyllis Schlafly oppose ERA besides talking about men-only draft?
She warned that if men and women had to be treated equally, that social condition would threaten the security of middle-aged housewives without job skills.
Did Phyllis Schlafly win the fight to oppose the ERA?
When Schlafly began her campaign against the Equal Rights Amendment, it had already been ratified by 28 of the required 38 states.

Question: when did she begin her opposition against ERA?
Self-contained rewrite: when did Phyllis Schlafly begin her opposition against ERA?