Belwail's Swimming pools & Cafe

The oldest form of stroke used is the breaststroke.
The recreational diving center Nemo 33 near Brussels, Belgium is home to the world’s deepest swimming pool. The pool has two large flat-bottomed areas at depth levels of 5m (16 ft) and 10m (32 ft), and a large circular pit descending to a depth of 33m (108 ft).
The Fleishhacker Pool was the largest swimming pool in the United States. Opened on 23 April 1925, it measured 300 m by 45 m (1,000 ft by 150 ft) and was so large that the lifeguards required kayaks for patrol. It closed in 1971 due to low patronage
According to the Guinness World Records the largest swimming pool in the world is San Alfonso del Mar Seawater pool in Algarrobo, Chile. It is 1,013 m (3,324 ft) long and has an area of 8 ha (19.77 acre), it was completed in December 2006.
The first filtration system for a swimming pool was introduced in 1910.
The first photo finish for a swimming competition was done in 1939
The first swimmer to break the two minute barrier in the 200 meters was Don Schollander.