Brexit in dates: From Leave shock to parliament's historic vote

From the shock Brexit referendum result to Tuesday's landmark vote to reject the divorce deal struck between London and the European Union, here are the milestones on Britain's rocky road out of the bloc after 46 years.

- Britons vote to leave - =========================

In a referendum on June 23, 2016, Britons choose to end their membership of the 28-nation EU by 52 percent to 48 percent. It prompts the resignation the next day of Conservative Prime Minister David Cameron, who had called the referendum and led the campaign to remain in the EU.

- May becomes prime minister - ==============================

In a race to replace Cameron, key Brexit campaigner Boris Johnson does not put himself forward as expected and Theresa May, the interior minister who had backed remaining in the bloc, becomes prime minister on July 13.

On January 17, 2017, May gives a speech setting out her Brexit strategy, saying Britain will also leave Europe's single market in order to control EU ...