I don't remember the order, but here are a few (and remember there is one for guys and one for girls)
50 fly, back, breast, free
100 fly, back, breast, free
200 medley IM
200 relay in fly, back, breast, free, IM
400 relay in fly, back, breast, free, IM
Also, possibly 200 fly, back, breast, free
free= freestyle (sometimes called the crawl)
IM= Individual Medley. In an individual event, the order is fly, back, breast, free. In a relay event, the order begins with back.
There are 34 swimming events out of the 46 in Aquatics. There are also 8 Diving events and 2 events each for Synchronized swimming and Water polo
There are 17 Men'a events and 17 Women's events for Swimming
How many events are there in 'free style' swimming competition
The International Olympic Committee defines aquatic events as swimming, synchronized swimming, diving, and water polo.
There were no American women competing in the 1912 Olympic swimming events
Running / Swimming / Cycling
ThEY DO CANOEING AND SWIMMING.
It is not always, many events are relays with four swimmers. But most events for swimming are individual, as swimming is often described as a personal race against the clock.