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Megalesia (Ancient Rome)  — Research Starter

Megalesia, or Megalensia, was an important ancient Roman festival celebrated on April 4 to honor Cybele, known as the Magna Mater or Great Mother. This cult originated from Phrygia, situated in…

Max Planck Sets Forth the Tenets of Quantum Theory  — Research Starter

Max Planck, a German physicist born in 1858, is renowned for establishing the foundations of quantum theory, a pivotal development in modern physics. On December 14, 1900, he presented key concepts…

Mass Marriage Ceremony in the Unification Church  — Research Starter

The Mass Marriage Ceremony in the Unification Church, conducted by Reverend Sun Myung Moon, is a significant event that symbolizes the church’s unique approach to marriage and community. On October…

Mascagni's Cavalleria Rusticana Premieres  — Research Starter

Pietro Mascagni's opera "Cavalleria Rusticana" premiered on May 17, 1890, at the Theater Costanzi in Rome, Italy. Often celebrated as a landmark of the Italian verismo style, this one-act opera is…

Mary, Queen of Scots, Is Executed  — Research Starter

Mary, Queen of Scots, also known as Mary Stuart, was executed on February 8, 1587, a significant event in the tumultuous political landscape of 16th-century Britain. Born in December 1542, she became…

Mary Shelley's Frankenstein Is Published  — Research Starter

"Frankenstein; or the Modern Prometheus," written by Mary Shelley and published in 1818, is a seminal work of Gothic literature that explores complex themes such as ambition, parental rejection, and…

Martyrs' Day (Panama)  — Research Starter

Martyrs' Day in Panama, observed on January 9, commemorates the tragic events of 1964 that arose from a conflict regarding sovereignty over the Panama Canal Zone. The origins of this dispute trace…

Marriage of Ada Lovelace, Computer Pioneer  — Research Starter

The marriage of Augusta Ada Byron, known as Ada Lovelace, to William King, the future Earl of Lovelace, took place on July 8, 1835. Ada Lovelace is celebrated as a pioneering figure in computing,…

Marquis de Sade Is Arrested  — Research Starter

The Marquis de Sade, born Donatien Alphonse François in 1740, was a French nobleman whose life was marked by scandal and controversy, ultimately leading to his arrest on February 13, 1777. He is…