The men's HSBC World Rugby Sevens tournaments in London and Paris have been postponed, provisionally until September.
The women's HSBC World Sevens in Langford has been postponed until later in the year.
Rugby World Cup 2021 (women's) and 2023 (men's) qualifying events have been postponed.
And the World Rugby Under-20 Championship has been cancelled. It was to be played in northern Italy in late-June and July.
The northern hemisphere rugby season is over. The Rugby Football Union has cancelled domestic rugby and while the premiership is suspended for four weeks the prospect of it resuming depends on future reviews.
Some of the Premiership clubs have introduced 25 percent pay cuts.
Ireland have also halted their season and have introduced wage reductions of 10-50 percent due to the financial pressures associated with the pandemic.
The Irish Rugby Football Union said it hoped to return to full pay, and to repay and deferrals as soon as possible.
The players supported the Union's steps.
Scottish Rugby has suspended all rugby until further notice as it didn't believe a resumption of the season would be possible due to restrictions on gatherings and travel.
It is looking at the earliest possible restart for contact rugby as being July 1.
It also opened applications for funding from its recently created Club Hardship Fund which was set up in response to the Covid-19 outbreak with the aim of providing grants to clubs to sustain their businesses through until July 31, when the situation would be reviewed.
The Welsh Rugby Union has also ended all rugby in Wales and it said no promotion or relegation would apply. If able to resume next season teams would remain in the same leagues as for the 2019-2020 season.
The WRU said continuing to play brought risks of transmission across all levels of the game and continuing to play brought risks of adding to the unprecedented burden on the National Health System and to do that would be 'socially irresponsible'