"Sabbatai Zevi declared himself the Messiah in 1666, proclaiming that redemption was available through acts of sin."
https://sacredgeometryinternational.com/1666-sabbatean-frankist-illuminati-history/#!
"Sabbatai Zevi was a rabbi and Kabbalist who claimed to be the long-awaited Jewish Messiah. After several initial rejections, he was finally accepted and revered by the Jewish community around the world in the 17th century."
https://www.thefamouspeople.com/profiles/sabbatai-zevi-38463.php
"For number of years in the mid 1600s, Sabbatai Zevi was almost universally known as the Jewish messiah. This all changed in 1666, when Sabbatai Zevi was forced to convert to Islam. Although this event spawned the Sabbatian movement as we know it, it also destroyed Sabbatai’s reputation within normative Judaism."
https://sabbatianism.wordpress.com/sabbatian-apologia/
"In 16651666, large segments of world Jewry believed that Shabbetai Zvi, a Turkish Jew, was the Messiah, and confidently waited for Turkey’s sultan to deliver Palestine to him. Instead, the sultan threatened Shabbetai with execution and the “Messiah” saved his life by converting to Islam."
https://www.jewishvirtuallibrary.org/the-messiah
"Shabbatai Zevi (1626-1676, also spelled Shabsai and Sabbatai) was a false messiah, who succeeded in deluding thousand of Jews into believing that he was the long-awaited redeemer. Born in Turkey, he taught radical new notions based on the Kabbalah and ultimately converted to Islam, dashing the hopes of the masses, who had trustingly placed their hopes in him."
https://www.chabad.org/library/article_cdo/aid/4379679/jewish/Shabbatai-Zevi-the-Messianic-Imposter.htm
"On September 16th 1666, three hundred and fifty years ago, a Jewish messianic claimant who had more followers in his lifetime than Jesus did in his, converted to Islam while imprisoned in Istanbul."
https://historynewsnetwork.org/article/163793
"Shabbetai Tzevi, also spelled Sabbatai Zebi or Sabbatai Zevi, (born July 23, 1626, Smyrna, Ottoman Empire [now İzmir, Turkey]—died 1676, Ulcinj, Ottoman Empire [now in Montenegro]), a false messiah who developed a mass following and threatened rabbinical authority in Europe and the Middle East."
https://www.britannica.com/biography/Shabbetai-Tzevi
"According to Sabbateanism-researcher Clifford Shack, the Rothschilds are descendants of Shabbatai."
https://self-realisation.com/video/statanic-messiah/