Women in the United States gained the right to vote in 1920. The majority of men (non-landowners) received the right to vote only 50 years prior in 1870 [1].
This doesn't seem to be the work of a nefarious patriarchy behind the veil, but a continuing democratic movement that began with the Magna Carta.
Although of course, once again, this information does not fit the feminist narrative, and is blasphemy to a movement whose only goal is political power.