Carry on with your oh so somber latest theory. I'm starting the "Do Brazilians have a sense of humor?" thread. There's lots more factual data available on that.
Ok cal, just carry on your racist little agenda...
* Socrates (d. 399 BC) , Greek philosopher — According to Plato, sentenced to kill himself by drinking poison hemlock
* Demosthenes (d. 322 BC) Athenian politician
* Aratus of Sicyon (d. 213 BC), tyrant of Sicyon
* Antipater the Idumaean (d. 43 BC), father of Herod the Great
* Cleopatra VII of Egypt (d. 30 BC), poisoned herself with an asp’s bite
* Julius Caesar Drusus (d. 23), son of Tiberius
* Emperor Hui of Jin China (d. 304)
* Ali ibn Abi Talib (d. 661), caliph
* Umar ibn Abd al-Aziz (d. 720), umayyad caliph
* Musa al-Kazim (d. 799), Shia Imam
* Romanus II (d. 963), Byzantine Emperor
* Alan III, Duke of Brittany (d. 1040)
* Constance of Normandy (d. 1090), daughter of King William I of England
* Constantine II of Armenia (d. 1129)
* Alphonse I, Count of Toulouse (d. 1148)
* Baldwin III of Jerusalem (d. 1162)
* Blanche of Bourbon (d. 1361), first wife of King Pedro of Castile
* Louis, Count of Gravina (d. 1362)
* Robert, Count of Eu (d. 1387)
* Ladislaus, King of Naples (d. 1414)
* Margaret Drummond (d. 1502), mistress of King James IV of Scotland
* Timoji (d.1512), Hindu privateer and Portuguese ally
* Juan Ponce de León (d. 1521), Spanish conquistador; after being wounded by a poisoned arrow
* Pope Clement VII (d. 1534), ate the death cap mushroom
* Eric XIV, King of Sweden (d. 1577), by arsenic hidden in pea soup.
* Yamada Nagamasa (d. 1630), Japanese adventurer
* Bradford sweets poisoning (1858)
* Olive Thomas (d. 1920), Silent film actress, accidentally ingested a large dose of mercury bichloride
* Nestor Lakoba (d. 1936), Abkhaz Communist leader, was poisoned by NKVD chef Lavrenti Beria
* Abram Slutsky (d.1938), head of Soviet spy service, poisoned with hydrogen cyanide by NKVD
* Nikolai Koltsov (d. 1940), famous Russian biologist, was poisoned by secret police NKVD
* Erwin Rommel (d. 1944) German general
* Adolf Hitler (d. 1945) cyanide and gunshot simultaneously before capture
* Eva Braun (d. 1945) suicide by cyanide capsule at Hitler's side as his wife
* The Goebbels children (d. 1945), poisoned by their parents Magda and Joseph Goebbels (who then killed themselves shortly afterwards by poison and gun shots before capture)
* Heinrich Himmler (d. 1945), leader of the Nazi Schutzstaffel (SS); suicide by cyanide capsule after being captured
* Odilo Globocnik (d. 1945)
* Hermann Göring (d.1946), leader of the Nazi Luftwaffe; suicide by cyanide capsule, long after being captured and only hours before his hanging was to take place
* Alan Turing (d. 1954), British mathematician — Apparently committed suicide by painting an apple with cyanide and taking a bite.
* Clare Boothe Luce (1956) — Fell ill but did not die; arsenic poisoning
* Stepan Bandera (d. 1959) poisoned by a cyanide capsule shot from a gun by KGB agents
* Georgi Markov (d. 1978), Bulgarian dissident, — Assassinated in London with ricin
* Peoples Temple cult-members, perhaps over 900 of them, (1978); killed by cyanide-laced punch at Jonestown.
* Love Canal (up to 1978) — Buried toxic waste was covered and used as a building site for housing and school in Niagara Falls, New York, resulting in claims of chronic poisoning and a massive environmental cleanup.
* Bhopal Disaster (1984) — An accidental release of poisonous gas from a pesticide plant in India that killed over 2,000 people and injured many more.
* Matsumoto incident, June 27, 1994, sarin gas attack carried out by members of the Aum Shinrikyo cult. 7 killed, approximately 200 injured.
* Sarin gas attack on the Tokyo subway, March 20, 1995, carried out by members of the Aum Shinrikyo cult. 12 killed, 1034 injured.
* Marshall Applewhite (d. 1997); cult suicide
* Ibn al-Khattab (d. 2002), a Sunni Jihadi fighter, died from a poisoned letter sent by Russian FSB agency
* Alexander Litvinenko (d. 2006), Russian ex-spy and investigator, died three weeks after being poisoned by radioactive polonium-210
* Roman Tsepov (d. 2004), Russian businessman poisoned by unspecified radioactive material
* Grigori Rasputin, Russian mystic, survived being poisoned with potassium cyanide, as well as being shot, bludgeoned, and being thrown into a frozen river before he finally died by drowning.
* Khaled Meshal, Hamas Leader, survived being poisoned by Israeli assassins. The King of Jordan ordered the capture of the assassins, two of which were caught, and an antidote was supplied by Israel for their release.
* Nikolay Khokhlov was poisoned by radioactive thallium Germany in 1957 for refusing to work as a KGB assassin
* Zhu Ling, Chinese university student poisoned with thallium in 1995. Suspect never charged.
* Anna Politkovskaya was poisoned during her flight to Beslan in 2004
* Alexander the Great
* Barbara Radziwiłł (d. 1551), Queen of Poland
* Boudica, Queen of the Iceni and leader of the rebellion against Roman rule in Britain, suicide by poison according to Tacitus; Dio Cassius claims natural illness
* Charles Darwin — possibly died due to self-medication with Fowler's solution, one percent potassium arsenite
* Claudius (d. 54), Roman Emperor, by his wife Agrippina the Younger
* Germanicus (d. 19), Roman general
* Huo Yuanjia (d. 1910), wushu master and Chinese national hero, arsenic
* Jamestown colonists — Standard historical accounts claim deaths by starvation, but the possibility of arsenic poisoning by rat poison (or of death by Bubonic plague) has also been reported (see here)
* King John of England, with plums
* Mithridates VI of Pontus
* Napoleon Bonaparte — some claim he was killed by someone on his staff with arsenic. Evidence is inconclusive.
* Pope Benedict XI (d. 1304)
* Pope Pius VIII (d. 1830)
* Ptolemy XIV of Egypt (d. 44 BC), if so, by his sister Cleopatra
* Robert Cecil, 1st Earl of Salisbury (d. 1612)
* Tycho Brahe (d. 1601), Danish astronomer
* Stefan Dusan (d. 1355), Serbian king
* John Gallagher Montgomery (d. 1857), U.S. Congressman from Pennsylvania
* Maxim Gorky (d. 1936), Russian writer. NKVD chef Genrikh Yagoda admitted at the Trial of the Twenty One that he ordered to poison Gorky and his son.
* Robert Johnson (d. 1938), American musician
* Raoul Wallenberg (d. presumably in 1947), a Swedish humanitarian, who save tens of thousands of Jews in World War II, was reportedly poisoned in Lubyanka prison by Grigory Mairanovsky
* Joseph Stalin (d. 1953) — Officially cerebral hemorrhage; but, according to Vyacheslav Molotov's memoirs and historians Radzinsky and Antonov-Ovseenko, Stalin was poisoned by Lavrenty Beria
* Pope John Paul I (d. 1978) (unconfirmed)
* Frank Zappa (d. 1993) (??)
* Yuri Shchekochikhin (d. 2003), Russian investigative journalist, died presumably from poisoning by radioactive thallium
* Yasser Arafat (d. 2004) — Arafat reputedly died from liver cirrhosis, which may be a consequence of chronic alcohol use or poisoning. Some Arafat supporters feel it is unlikely that Arafat habitually used alcohol (forbidden by Islam), and so suspect poisoning. However, it is also important to note that cirrhosis is not necessarily caused by alcohol use, or indeed any poison at all.
* Ardeshir Hosseinpour (d. 2007), Iranian nuclear scientist, possibly poisoned/assassinated by Mossad: death by "radioactive poisoning" or "gas poisoning"    (unconfirmed)
* Viktor Yushchenko, Ukrainian politician, possibly poisoned with dioxin during the 2004 electoral campaign.
* Eric Kinker, Expert hunter, bit by coral snake. Central Florida, 2007.