Arrange the following events in chronological order: 1) Protesters gathered at Jallianwala Bagh to demonstrate against Rowlatt Act; 2) Rowlatt act was implemented; 3) Col. Dyer entered Jallianwala Bagh and ordered his men to fire at protestors; 4) Gandhi founded Satyagraha Sabha; 5) Tension increased in Punjab and military rule was implemented.