On 30 June 1992 Margaret Thatcher took her place in the House of Lords as Baroness Thatcher of Kesteven. In her first debate she spoke out against the government on the Maastricht Treaty. She would be proved right, its adoption gave rise to Ukip and ultimately the Referendum to leave the EU. She was Britain’s first woman prime minister in 1979, and the longest serving prime minister of the 20th century.

On 30 June 1937 the British emergency number 999 was introduced, the first telephone system of its kind in the world

On 30 June 1967 a sky-blue Bentley collected Mick Jagger from the Scrubs and Keith Richards from Brixton after doing time for drugs

On 30 June 1894, under a cloudless sky, Tower Bridge was officially opened by the Prince of Wales (later Edward VII)

On Westminster Bridge Road is the entrance to an old station from where passengers took their last journey to Brookwood Cemetery

The Ayrton Light atop Parliament’s Elizabeth Tower (known as Big Ben) shines to show that the House is sitting

When Ellen Terry visited Whistler’s Chelsea studio Oscar Wilde described seeing her arrive in the full regalia of Lady Macbeth

King James I kept elephants in St James’s Park. They were allowed a gallon of wine a day each to get through the English winter

Dash to Pope’s Road, Brixton in September to watch the Brixton Bolt, see if you can beat Usain’s 100 metre time of 9.58

Jubilee Line trains have been decorated for the Jubilee – appropriate really, as line originally named for 1977 one (hence silver on map)

The Castle pub in Farringdon holds a pawnbrokers licence granted by George IV when he left a heirloom in lieu of a gambling loan

During the Great Fire of London, Samuel Pepys buried his prized possession, a chunk of parmesan cheese, in his back garden

Trivial Matter: London in 140 characters is taken from the daily Twitter feed @cabbieblog.
A guide to the symbols used here and source material can be found on the Trivial Matter page.

On 23 June 1972 the Government floated the pound to shore up its value, assuring the public the pound would return to operating within fixed trading bands in time for Britain to join its European partners in 1973. Britain did join the Common Market, but the economy went from bad to worse. Mr Barber then imposed a 90 day price freeze from 6 November. Prime Minister Edward Heath was finally forced to call a snap election.

On 23 June 1998 the Heathrow Express opened with a railway service from Paddington station to Heathrow Airport

The 1839 Metropolitan Police Act, s.60, ss.3 makes it an offence to dust off your carpet outside in London after 8am punishable by £200 fine

Artillery Lane Spitalfields is named after the grounds of the Honourable Artillery Company here before moving to Moorgate

Jimi Hendrix’s last performance was at Ronnie Scott’s in Soho, on the day before he died – a jam with Eric Burdon

On 23 June 1951 Russian spies Guy Burgess and Donald Maclean fled to Moscow but only after a leisurely lunch at the RAC Club

Now demolished, Nicholl House on the Woodberry Down Estate, Hackney was the backdrop for the Warsaw Ghetto in the film Schindler’s List

When Peter the Great stayed in the Deptford home of John Evelyn in 1698 he trashed his garden and drank his wine

Ping-pong bar Bounce at 121 Holborn is on the site where John Jacques created and patented the game in 1901

Roding Valley is the least used station on the London Underground network – it has fewer passengers in a year than Victoria has in a day

18th century Author Dr Johnson tried making pots at the Chelsea China Works but they kept collapsing and he gave up

Prince Edward had collected so many mistresses that a special pew was reserved for them at his coronation: it was known as the ‘Loose Box’

Trivial Matter: London in 140 characters is taken from the daily Twitter feed @cabbieblog.
A guide to the symbols used here and source material can be found on the Trivial Matter page.