Full Name: Pyotr Ilyich Tchaikovsky; Profession: Russian composer of the Romantic era, creator of symphonies, ballets, concertos, operas, and chamber music that became central to the classical canon and beloved by audiences worldwide; Nationality: Russian (born a subject of the Russian Empire); Born: May 7, 1840 (New Style; April 25 Old Style). Birthplace: Votkinsk, in the Vyatka Governorate of the Russian Empire (often referred to as Kamsko-Votkinsk, Russia), a provincial industrial town near the Kama River; Generation: 19th-century Romantic-era generation, active in the later Romantic period when nationalism, personal expression, and large-scale orchestral forms flourished in European music; Chinese Zodiac: Metal Rat (the Chinese year running from February 2, 1840, to January 22, 1841, is classified as a Rat year, specifically the Metal Rat in the Five Elements system); Zodiac Sign: Taurus, since everyone born on May 7 falls under the sign of Taurus in Western astrology. Age in 2026: Would be 186 years old in 2026 if alive (2026 minus birth year, 1840). Marital Status: Legally married but long separated; he entered a brief and troubled marriage in 1877 to Antonina (Antonina Ivanovna). Miliukova, a former student, but the relationship collapsed within weeks, and they never again lived together, remaining formally married until his death. Children: None, as he fathered no children and his short-lived marriage produced no offspring; Description: Pyotr Ilyich Tchaikovsky is widely regarded as one of the most popular and influential composers in history, noted for unforgettable melodies, lush and colorful orchestration, and direct emotional appeal that allowed his music to reach audiences far beyond Russia, making him the first Russian composer to secure a lasting international reputation; trained initially for a civil service career before turning to music at the Saint Petersburg Conservatory, he combined Western European compositional techniques with Russian folk and liturgical influences, producing masterpieces such as the ballets “Swan Lake,” “The Sleeping Beauty,” and “The Nutcracker,” the “Pathétique” Symphony No. 6, the Symphony No. 4, the Violin Concerto in D major, the First Piano Concerto, the 1812 Overture, and operas like “Eugene Onegin” and “The Queen of Spades,” works that remain central to concert and ballet repertory worldwide; throughout his life he struggled with intense inner conflict, including depression, anxiety, and the pressures of concealing his homosexuality in a conservative society, yet he also enjoyed the support of patrons such as Nadezhda von Meck, whose long-distance correspondence and financial assistance allowed him to compose freely without institutional constraints; he undertook extensive conducting tours across Europe and to the United States, where he conducted at the opening of Carnegie Hall, further cementing his fame as a cultural ambassador for Russian music; his life ended suddenly in Saint Petersburg in 1893 at the age of 53, with the official cause recorded as cholera, likely contracted from drinking unboiled water during a local epidemic, though later scholars have debated alternative explanations, making his final days the subject of ongoing historical and medical inquiry.