'We meet on the fourth Tuesday of each month.'

'The YPS (Yorkshire Philosophical Society) is pleased to support the ongoing activities of Café Scientifique in York ... Café Scientifique York generally meets on the first Wednesday of each month.'

'All Meetings take place on the First Wednesday of Every Month (except August) at 7.00 pm for 7.30 pm.'

'The York Seminars are open to everyone and provide an opportunity for guest speakers to present their current research. The seminars usually take place on Wednesdays during the autumn and spring terms. This year some dates have been added during the summer term.' Enquire about attendance.

Organize occasional 'open lectures'.

Department of Computer Science Seminar Series: 'This seminar series brings presentations of leading research to a broad range of researchers within the Department of Computer Science. The seminars are open to the general public and are free of charge. Anyone interested in attending only needs to turn up.'

Annual Aylmer Lecture (plus occasional other lectures which might be open to the public): 'Admission is free and open to all - no ticket required'.

Monthly meetings, Thursday evenings.

Monthly lectures, Wednesday evenings. Admission is free but by ticket only.

'We meet on the occasional Saturday afternoon from 2 pm till 4 pm ... Come and join us. Hear leading speakers on Elgar and hear aspects of his music that you may have never heard. And share your interest and enthusiasm for this mainly self-taught Composer and his wide variety of Music.'

Meets '1st Sat (2nd Sat Jan) meeting at 10 am & 2 pm (except Aug). Earlier start, Sept and Dec'.

Occasional talks organized by the Friends of Hagg Wood.

Days and times of meetings vary.

'Our annual events range from scholarly lectures and study days to informal and lively discussions.'

Range of events, including some organized by the Friends of the National Railway Museum.

'We meet ... every month (except August) on the second Monday, at 7.30 pm.'

Monthly meetings, Saturday afternoons.

'The Yorkshire Branch has been in existence for 50 years, and is the oldest Branch of the Richard III Society. It was formed in 1960 at the time of two important 500th Anniversaries, Wakefield (1460) and Towton (1461) were being commemorated. Members of the recently reformed Richard III Society living in York and the Three Ridings decided to organise some local activities here, in the county which Richard himself had known and loved ... About twenty years ago another Yorkshire Branch tradition began, our Spring Lecture, an annual event which is open to the public.' Latest Date 7 May 2011.

Monthly winter evening meetings.

'Meetings take place every fourth Monday of the month at 7.30 pm.'

Meetings 2nd Saturday of the month, afternoons.

'Has a membership of over 300 and conducts a wide range of activities, including: A comprehensive lecture programme; Study days; Tours and visits in UK and Europe; Heritage preservation; Recording historic churches of special interest; Youth education.'

Lecture Dinners and related events.

'Every term, the University organises free public lectures on a wide variety of topics and aimed at a general audience. Some require tickets (available from the Communications Office) but most do not. Where tickets are needed, this is indicated in the publicity.'

Meet third Saturday afternoon of the month.

Range of talks, usually evenings at 7.30 pm.

Forthcoming events of the Friends of York Archaeological Trust.

Curators' Lunchtime Talks: 'All these talks are free and run from 12.30 pm - 1 pm. No booking required.'

'Meetings are held ... at 7.30 on the first Monday of the month.'

'The York Astronomical Society is a friendly collection of people who share a common appreciation for all things astronomical. Anyone who is interested in Astronomy in any form is warmly invited to come along to our meetings and join in our public activities ...Anyone can attend our meetings (members or not) ... We currently have about 60 members and we meet ... on the 1st and 3rd Fridays of each month (except August). Our meetings start promptly at 8 pm, and most people arrive around 7.30 pm for a chat before the meeting starts.'

'Authors and illustrators, designers and publishers, booksellers and collecters feature in programmes of six winter lectures supplemented by summer visits to memorable libraries ... All who have an interest in books are welcome to join this active group of booklovers.' Monthly meetings, Wednesday evenings.

Occasional lectures, talks and related events arranged by The Friends of York Cemetery, or by other organizations.

Held Early June.

Has been held Mid March.

Indoor Meetings 'are all held on Tuesdays (usually the 1st Tuesday in the month) ... starting at 7.30 pm. Meetings normally end at around 9.00 to 9.30 pm'.

'The Society organises a programme of events each year, these include talks from Society members, visiting speakers and general social evenings. All meetings start at 7.30 pm with a short meeting followed by the main advertised event for the evening.'

Regular evening meetings with occasional talks.

Go York Events 'A series of lectures which bring together York St John University’s eminent academics, high profile speakers and the local community for a series of events to be enjoyed by all.' Alert 'The Go York Series is under review & we shall be updating you soon.'

Monthly meetings, Wednesday evenings.

'The YMG holds indoor meetings in York on the first Thursday of each month from October to June inclusive. Meetings commence at 7.00 pm ... These meetings involve either a talk by a visiting speaker, or a practical evening, with the chance to meet other mammal enthusiasts.'

Programme of Curators' Talks which run 12.30 pm - 1.00 pm: 'All these lunchtime talks are free (aside from usual admission charge)'

The YPS offers activities and an annual lecture series to stimulate interest in and improve public understanding of natural sciences and social sciences: Archaeology, Astronomy, Biology, Botany, Chemistry, Conservation, Earth Science, Ecology, Economics, Education, Engineering, Geography, Geology, History, Life Science, Medicine, Natural History, Philosophy, Physics, Psychology, Sociology, Technology, Zoology ... You can discover more about all these subjects and more in a friendly, welcoming environment with the opportunity to meet others with similar interests.'