A closer look at the key events on March 29 in history:

In 2010, two bombs kill dozens on Moscow subway

Two female suicide bombers blew themselves up on the Moscow subway during the morning rush hour today, killing at least 38 people and injuring more than 60, Russian officials said.40 people died in the attack allegedly carried out by so-called “black widows”, or Islamist Chechen female suicide bombers.

In 2004, Ireland bans smoking in all workplaces

It was the first country in the world to impose a nationwide ban on smoking. Contrary to initial concerns, the ban had no adverse economic effects, and soon several other countries passed similar legislation.

In 1974, the Terracotta Army is discovered in China

Farmers drilling a well in Xi’an, China, found a subterranean chamber that led to the discovery of the terra-cotta army, in the tomb of Qin Shi Huangdi, the first emperor of China. The army contains 8,000 life-size terra-cotta soldiers and horses in full armor stand in battle formation. The warriors are life-size, with most about two-meters tall and weighing up to 272 kilograms. Each warrior has unique facial features, hairstyle, clothing, and pose.

In 1971, Charles Manson is sentenced to death

Charles Manson was the leader of the cult “the Family”. He had amassed a group of very loyal followers who carried out several notorious murders in the late 1960s on his orders. In 1969, Manson’s hold over his followers was graphically illustrated in 1969, cult members killed actress Sharon Tate wife of film director Roman Polanski , who was killed in her Los Angeles home along with three guests. Charles Manson along with his accomplices were sentence to death in the gas chamber, but because the death penalty was abolished in California in 1972, they all serves life in prison.

In 1867, the Dominion of Canada is created

On March 29, the British Parliament passed the British North America Act, uniting the British colonies of Nova Scotia, New Brunswick, and Canada into the Dominion of Canada, which would be separated into the provinces of Quebec and Ontario. The Act went into effect on July 1 of that same year.

A new federal government and Parliament was established in Ottawa together with provincial governments’ legislatives. The Act established that the dominion remained under the sovereignty of the British Monarch and served as Canada’s constitution until 1982.

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