Bicycle-First mechanically-propelled Bicycle

1839 - Scotland, U.K.

Bicycle-Followed Inventions

1869 - Scotland.U.K.

St. Patrick's Day-Glasgow celebrations on St Patrick's day

Saturday Mar 17, 2007 - Glasgow, United Kingdom

Bicycle-First bicycle Accident

1842 - Glasgow, Scotland, U.K.

Severo Ochoa-Summer in Glasgow

1927 - Glasgow, Scotland, United Kingdom

Diego Maradona-Maradona managed Argentina for the first time

Wednesday Nov 19, 2008 - Glasgow, Scotland, United Kingdom

Michael Ballack-Losing the 2002 UEFA Champions League Final

Wednesday May 15, 2002 - Hampden Park, Glasgow, UK

FIFA World Cup-The First official international football match

Wednesday Nov 30, 1870 - Hamilton Crescent, Partick, Scotland

Halloween-Halloween

1745 - Scotland, United Kingdom

Matthew Stuart's death

Saturday Sep 4, 1571 - Stirling

William Murdoch Birth

Wednesday Aug 21, 1754 - Cumnock

Wind turbine-The first electricity-generating wind turbine

1887 - Scotland, United Kingdom

Bicycle-Treadle Bicycles

1869 - Scotland, U.K.

Libraries-Innerpeffray Library

1680 - Scotland, United Kingdom

Anton Laube Birth

Sunday Nov 13, 1718 - Brüx

James Watt Birth

Thursday Jan 19, 1736 - Greenock

Michael Bruce Birth

Sunday Mar 27, 1746 - Kinross-shire

Catherine, Duchess of Cambridge-Young Minds

Feb, 2016 - Edinburgh, Scotland, U.K.

Greyfriars Bobby-Red granite monument

Wednesday May 13, 1981 - Edinburgh, Scotland, United Kingdom

Greyfriars Bobby-Bobby was buried not far from John Gray's grave

1872 - Edinburgh, Scotland, United Kingdom

Greyfriars Bobby-John Gray's death

1858 - Greyfriars Kirkyard, Edinburgh, Scotland, United Kingdom

Meghan, Duchess of Sussex-Markle caused a surge

Dec, 2017 - Edinburgh, Scotland, United Kingdom

Greyfriars Bobby-Birth

May, 1855 - Edinburgh, Scotland, United Kingdom

Tony Blair-Birth

Wednesday May 6, 1953 - Edinburgh, Scotland

Greyfriars Bobby-Greyfriars Bobby Fountain

1873 - Edinburgh, Scotland, United Kingdom

Greyfriars Bobby-Questions

Saturday Aug 11, 1934 - Edinburgh, Scotland, United Kingdom

Greyfriars Bobby-Director of the Scottish Society for the Prevention of Cruelty to Animals, paid for Bobby's licence and gave the dog a collar

1867 - Edinburgh, Scotland, United Kingdom

Queen of Scots' private secretary was killed

Wednesday Mar 9, 1566 - Edinburgh

Greyfriars Bobby-Death

Sunday Jan 14, 1872 - Edinburgh, Scotland, United Kingdom

Albrecht Kossel-The Honorary Degree

1923 - Edinburgh, Scotland

John Keill Birth

Tuesday Dec 1, 1671 - Edinburgh

James Elphinston Birth

Saturday Dec 6, 1721 - Edinburgh

Elizabeth Blackwell-Blackwell fell down a flight of stairs

1907 - Kilmun, Scotland, United Kingdom

Richard Branson-First Virgin Hotel in the UK

2010 - Edinburgh, Scotland, United Kingdom

William Drummond's death

Saturday Dec 4, 1649 - Hawthornden

Battle of Pinkie

Wednesday Sep 10, 1547 - Musselburgh, East Lothian, Scotland, United Kingdom

Holy Roman Empire-Henry VI

Monday Apr 15, 1191 - Holy Roman Empire

USA civil war-Invitations to recapture the fort and other federal properties

Monday Apr 15, 1861 - U.S

Abraham Lincoln-Lincoln called on the states to send detachments totaling 75,000 troops

Monday Apr 15, 1861 - U.S.

Thanksgiving-The first official Canadian Thanksgiving

Monday Apr 15, 1872 - Canada

Hungarian–Romanian War-The Hungarians Launched a Preemptive Attack.

Tuesday Apr 15, 1919 - Romania

Lucky Luciano-Masseria assassination

Wednesday Apr 15, 1931 - Brooklyn, New York, U.S.

Second Sino-Japanese War-The Battle of Yenangyaung

Wednesday Apr 15, 1942 - Yenangyaung, Burma

World War II-Operation Spring Awakening - Last German major offensive

Sunday Apr 15, 1945 - Lake Balaton, Kingdom of Hungary

The Holocaust-Bergen-Belsen was liberated

Sunday Apr 15, 1945 - Germany

Princess Margaret, Countess of Snowdon-Margaret was confirmed into the Church of England

Monday Apr 15, 1946 - England, United Kingdom

Bay of Pigs Invasion-Sending reconnaissance sortie

Saturday Apr 15, 1961 - Baracoa, Cuba

Fidel Castro-The CIA Attack

Saturday Apr 15, 1961 - Cuba

Bay of Pigs Invasion-Deception flight

Saturday Apr 15, 1961 - Miami Beach, Florida, U.S.

Bay of Pigs Invasion-The Cuban national police Reaction

Saturday Apr 15, 1961 - Havana, Cuba

Bay of Pigs Invasion-Air attacks on airfields

Saturday Apr 15, 1961 at 06:00:00 AM - San Antonio de los Baños, Cuba - Ciudad Libertad Airport, Havana, Cuba - Antonio Maceo Airport (SCU), Avenida al Aeropuerto Internacional Antonio Maceo Grajales, Santiago de Cuba, Cuba

Bay of Pigs Invasion-The Cuban Foreign Minister's Reaction

Saturday Apr 15, 1961 at 10:30:00 AM - New York City, U.S.

Mass Shootings in the United States-Palm Sunday Massacre

Sunday Apr 15, 1984 - Brooklyn, New York, U.S.

Hillsborough events-Gates were opened

Saturday Apr 15, 1989 at 02 AM - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

1989 Tiananmen Square protests-Small Spontaneous gatherings to mourn Hu Yaobang

Saturday Apr 15, 1989 - Tian'anmen Square, Dongcheng, Beijing, China

1989 Tiananmen Square protests-The Death of Hu Yaobang

Saturday Apr 15, 1989 - Beijing, China

Hong Kong independence-Tiananmen Square crackdown

Saturday Apr 15, 1989 - Beijing, China

Hillsborough events-Events Build Up

Saturday Apr 15, 1989 at 03 PM - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Hillsborough events-The crowd in the Leppings Lane Stand overspilled onto the pitch

Saturday Apr 15, 1989 at 03 PM - Hillsborough Stadium, Sheffield, South Yorkshire, England

Hillsborough events-A 30-minute postponement

Saturday Apr 15, 1989 at 03 PM - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Hillsborough events-The agreed upon protocol

Saturday Apr 15, 1989 at 03 PM - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Hillsborough events-Declaration was not immediately performed

Saturday Apr 15, 1989 at 03 PM - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Hillsborough events-A total of 42 ambulances arrived at the stadium

Saturday Apr 15, 1989 - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Hillsborough events-Deaths

Saturday Apr 15, 1989 - Hillsborough Stadium, Sheffield, South Yorkshire, England, United Kingdom

Bosnian War-The Outnumbered HVO in the Zenica municipality was quickly defeated

Thursday Apr 15, 1993 - Vitez, Bosnia and Herzegovina

Bosnian War-The Bosnian government lines around Goražde broke

Friday Apr 15, 1994 - Goražde, Bosnia and Herzegovina

World Trade Organization-Marrakesh Agreement

Friday Apr 15, 1994 - Marrakesh, Morocco

First Chechen War-The Russians launched an offensive along the entire front

Saturday Apr 15, 1995 - Chechnya, Russia

Second Chechen War-The Government operation in Chechnya was officially over

Wednesday Apr 15, 2009 - Chechnya, Russia

Vodafone-Vodafone Ghana

Wednesday Apr 15, 2009 - Accra, Ghana

Financial crisis of 2007–2008-Bill S.3217, Restoring American Financial Stability Act of 2010

Thursday Apr 15, 2010 - U.S.

Black Friday-One man was wounded after being shot following Black Friday shopping

Friday Apr 15, 2011 - San Leandro, California, U.S.

Dwayne Johnson-Fast Five (2011)

Friday Apr 15, 2011 - U.S.

Kim Jong-un-First public speech

Sunday Apr 15, 2012 - North Korea

Facebook, Inc.-Announcing an Alliance With The National Association of Attorneys General

Monday Apr 15, 2013 - Menlo Park, California, U.S.

Carlos Slim-Carso Oil & Gas

Wednesday Apr 15, 2015 - Plaza Carso, Mexico City, Mexico

Bitcoin-Bitcoin Core 0.12.1 was released

Friday Apr 15, 2016 - U.S. and Worldwide

Best Buy-Corie Barry, would replace Hubert Joly

Monday Apr 15, 2019 - U.S.

Bernard Arnault-Charity

Monday Apr 15, 2019 - Parvis Notre-Dame – place Jean-Paul-II, Paris, France

KFC-Pandemic Consequence

Wednesday Apr 15, 2020 - U.K.

Amazon-Closure in France

Wednesday Apr 15, 2020 - Nanterre, France

Franoise d'Aubigné's death

Saturday Apr 15, 1719 - France

Christian V Birth

Sunday Apr 15, 1646 - Duborg Castle

John Carver's death

Thursday Apr 15, 1621 - Plymouth Colony

Madame de Pompadour's death

Sunday Apr 15, 1764 - France

Escaping of Hugo Grotius to France

Thursday Apr 15, 1621 - France

Pierre Poiret Birth

Sunday Apr 15, 1646 - Metz

King Louis XIV's invasion of Spain in 1689

Friday Apr 15, 1689 - Spain