We always capitalise the first word of every sentence.
Tourism attracts many visitors to the area.
We also use capital letters when writing...
• people’s names
John Smith, Mary Brown
• professional titles when they are used with the person’s name
The award was presented by Professor Smith.
[but not] The professor gave an interesting speech.
• names of specific buildings and structures
They visited the Australian Museum
[but not] They visited the museum.
• names of specific streets
The house is in Hunter Street
[but not] This is a long street.
• names of cities, states and countries
Brisbane is the capital of Queensland.
Wellington is the capital of New Zealand.
• names of organisations and institutions
She was transferred to the head office of the United Nations.
• days of the week and months of the year, but not the seasons
The lecture is scheduled for Tuesday.
They are expected to arrive in late April.
The summer was particularly humid this year.
• public holidays, religious days and public events
Anzac Day, Christmas Day, Ramadan, Passover, Olympic Games, World Cup
• words that identify nationalities and other specific groups of people
Australians, Indigenous, Indonesians, Europeans,
• names of religions and languages
Buddhism, Christianity, Hinduism, Islam, Judaism,
English, Spanish, Italian, Arabic
• names of policies and acts
• names of ships
‘Sarah’, ‘Queen Elizabeth II’