Key Historical Events that Occurred on July 26

July 26 Battle of Pliska Potsdam Declaration Pyrros Dimas FBI founding

On July 26 several notable events unfolded across centuries. In 811 the Battle of Pliska saw the Bulgarian ruler Krum defeat and kill Byzantine Emperor Nikephoros I. The Greek struggle continued with the 1822 Battle of Dervenakia, a victory over Ottoman forces that ended the campaign of Dramali under Theodoros Kolokotronis.

In the modern era, the United States Federal Bureau of Investigation was founded in Washington, D.C., in 1908. Greek football club PAOK played its inaugural match in 1925, beating Iraklis 2‑1 and later changing its emblem from a four‑leaf clover to a double‑headed eagle. The 1945 Potsdam Declaration was signed by U.S. President Harry Truman, UK Prime Minister Winston Churchill and Chinese leader Chiang Kai‑shek, setting surrender terms for Japan, which initially rejected them. Greek weightlifter Pyrros Dimas captured Olympic gold in the 83 kg class at the 1996 Atlanta Games.

Other highlights include the 1943 birth of English musician Mick Jagger, the 1940 birth of Greek singer‑actor Tolios Voskopolous, and the 1684 death of Italian mathematician Elena Kornaro Piskopia, the first woman to earn a doctorate.

Entities: Battle of Pliska · Chiang Kai-shek · Federal Bureau of Investigation · Harry S. Truman · Harry Truman · Krum · Nikephoros I · PAOK · Potsdam Declaration · Pyrros Dimas · Winston Churchill

Claims

What the coverage asserts, and how well corroborated each claim is across sources.

[● 5 SOURCES] The Battle of Pliska occurred in 811, where Bulgarian forces under Khan Krum defeated Byzantine Emperor Nikephoros I, who was killed in the battle. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] The Federal Bureau of Investigation (FBI) was established in Washington, D.C., in 1908. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] English musician Mick Jagger, member of the Rolling Stones, was born in 1943. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] The Potsdam Declaration was signed in 1945 by U.S. President Harry Truman, UK Prime Minister Winston Churchill and Chinese leader Chiang Kai‑shek, outlining terms for Japan's surrender; Japan rejected (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] The Battle of Dervenakia took place in 1822, resulting in Greek victory and the destruction of the Ottoman commander Dramali. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] Italian mathematician Elena Kornaro Piskopia, born in 1646, was the first woman to receive a doctorate. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] Greek football club PAOK played its first match in 1925, beating Iraklis 2‑1, and its original four‑leaf clover emblem was replaced by a double‑headed eagle four years later. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)
[● 4 SOURCES] Greek weightlifter Pyrros Dimas won the gold medal in the 83 kg class at the 1996 Atlanta Olympic Games. (d704fdf4-0639-4ebe-8754-d01ea3f75375,7f10711d-3bed-4083-ab40-6d83c684a14c,5c0de244-db07-4672-b280-0d32e2f64004,c133eb7b-)