June 19 (Reuters) - Abortion rights advocates and opponents are set to mark this week's one-year anniversary of the U.S. Supreme Court's decision to overturn the landmark 1973 Roe v. Wade ruling that had legalized the procedure nationwide with events to rally voters and highlight the ongoing fights over access. Abortion rights supporters did manage in some states to fight off new proposed restrictions or codify abortion protections. Strategists in both parties have attributed Democratic strength at the polls at least in part to higher support from women who back abortion rights. Democratic President Joe Biden, an abortion rights supporter, is seeking re-election. The biggest expansions of abortion rights over the past year occurred in states including Michigan and Minnesota where Democrats control both the legislature and the governor's office, Reynolds said.

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