Events leading up to the First World War (Britain declares war on Germany): AERIAL SHOTS of London. HASs of crowds milling in London streets. CU of the date: August 3, 1914. Dissolve to WS of dense crowd in Berlin square, cheering on the marching soldiers. Three shots of the Mansion House in London. LS of British Parliament from across the river. CU of picture of Sir Edward Grey, the end of the treaty guaranteeing the neutrality of Belgium. HAS of crowd in London street. LS of Big Ben tower and traffic on Westminster Bridge. Wipe to headlines from the Montreal Star regarding Britain's ultimatum to Germany. HAS of London crowd filling the screen. CU of Big Ben clock at 11 o'clock. CU of Evening News headlines announcing war declared on Germany.