Both BCH and BSV chains have now reached 700,000 blocks.
BCH mined block 700,000 on Aug 9, 2021 @ 13:02 UTC
BSV mined block 700,000 on Aug 12, 2021 @ 10:47 UTC
BTC is currently at height 695,500 and is expected to reach block 700,000 in about a month.
BCH block 700,000 had 30 transactions and was 21.9kb, fees were 0.01% of the block reward
BSV block 700,000 had 23,363 transactions and was 862mb, fees were 69% of the block reward